Home / 102,699,400.62-141,680,638.06-67,940,502.02

Finding the Fourth Proportional to 102,699,400.62, 141,680,638.06 and 67,940,502.02

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Solution

The fourth proportional to 102,699,400.62, 141,680,638.06 and 67,940,502.02 is: 93,728,430.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,699,400.62 : 141,680,638.06 = 67,940,502.02 : x
  2. Step 2: Convert to fraction form
    102,699,400.62/141,680,638.06 = 67,940,502.02/x
  3. Step 3: Cross multiply
    102,699,400.62x = 141,680,638.06 × 67,940,502.02
  4. Step 4: Simplify right side
    102,699,400.62x = 9,625,853,676,310,318
  5. Step 5: Solve for x
    x = 9,625,853,676,310,318/102,699,400.62
  6. Step 6: Final answer
    x = 93,728,430.92

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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.