Home / 153,045,409,818.60-229,568,114,727.90-86,925,646,362.60

Finding the Fourth Proportional to 153,045,409,818.60, 229,568,114,727.90 and 86,925,646,362.60

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Solution

The fourth proportional to 153,045,409,818.60, 229,568,114,727.90 and 86,925,646,362.60 is: 130,388,469,543.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,045,409,818.60 : 229,568,114,727.90 = 86,925,646,362.60 : x
  2. Step 2: Convert to fraction form
    153,045,409,818.60/229,568,114,727.90 = 86,925,646,362.60/x
  3. Step 3: Cross multiply
    153,045,409,818.60x = 229,568,114,727.90 × 86,925,646,362.60
  4. Step 4: Simplify right side
    153,045,409,818.60x = 19,955,356,756,966,222,331,904
  5. Step 5: Solve for x
    x = 19,955,356,756,966,222,331,904/153,045,409,818.60
  6. Step 6: Final answer
    x = 130,388,469,543.90

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.