Home / 136,680,003,426.69-188,618,339,124.79-81,747,175,504.19

Finding the Fourth Proportional to 136,680,003,426.69, 188,618,339,124.79 and 81,747,175,504.19

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Solution

The fourth proportional to 136,680,003,426.69, 188,618,339,124.79 and 81,747,175,504.19 is: 112,811,062,958.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,680,003,426.69 : 188,618,339,124.79 = 81,747,175,504.19 : x
  2. Step 2: Convert to fraction form
    136,680,003,426.69/188,618,339,124.79 = 81,747,175,504.19/x
  3. Step 3: Cross multiply
    136,680,003,426.69x = 188,618,339,124.79 × 81,747,175,504.19
  4. Step 4: Simplify right side
    136,680,003,426.69x = 15,419,016,471,742,659,952,640
  5. Step 5: Solve for x
    x = 15,419,016,471,742,659,952,640/136,680,003,426.69
  6. Step 6: Final answer
    x = 112,811,062,958.55

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Half scale
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Double scale
Find fourth proportional to 136,680,003,427.69, 188,618,339,126.17 and 81,747,175,505.19
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.