Home / 102,421,395.96-141,309,258.45-62,687,504.31

Finding the Fourth Proportional to 102,421,395.96, 141,309,258.45 and 62,687,504.31

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Solution

The fourth proportional to 102,421,395.96, 141,309,258.45 and 62,687,504.31 is: 86,489,006.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,421,395.96 : 141,309,258.45 = 62,687,504.31 : x
  2. Step 2: Convert to fraction form
    102,421,395.96/141,309,258.45 = 62,687,504.31/x
  3. Step 3: Cross multiply
    102,421,395.96x = 141,309,258.45 × 62,687,504.31
  4. Step 4: Simplify right side
    102,421,395.96x = 8,858,324,748,127,279
  5. Step 5: Solve for x
    x = 8,858,324,748,127,279/102,421,395.96
  6. Step 6: Final answer
    x = 86,489,006.18

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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.