Home / 136,564,316.40-188,463,240.74-74,684,654.97

Finding the Fourth Proportional to 136,564,316.40, 188,463,240.74 and 74,684,654.97

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Solution

The fourth proportional to 136,564,316.40, 188,463,240.74 and 74,684,654.97 is: 103,067,276.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,564,316.40 : 188,463,240.74 = 74,684,654.97 : x
  2. Step 2: Convert to fraction form
    136,564,316.40/188,463,240.74 = 74,684,654.97/x
  3. Step 3: Cross multiply
    136,564,316.40x = 188,463,240.74 × 74,684,654.97
  4. Step 4: Simplify right side
    136,564,316.40x = 14,075,312,109,194,948
  5. Step 5: Solve for x
    x = 14,075,312,109,194,948/136,564,316.40
  6. Step 6: Final answer
    x = 103,067,276.14

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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.