Home / 168,069,935.10-231,936,044.42-93,730,565.50

Finding the Fourth Proportional to 168,069,935.10, 231,936,044.42 and 93,730,565.50

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Solution

The fourth proportional to 168,069,935.10, 231,936,044.42 and 93,730,565.50 is: 129,347,920.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,069,935.10 : 231,936,044.42 = 93,730,565.50 : x
  2. Step 2: Convert to fraction form
    168,069,935.10/231,936,044.42 = 93,730,565.50/x
  3. Step 3: Cross multiply
    168,069,935.10x = 231,936,044.42 × 93,730,565.50
  4. Step 4: Simplify right side
    168,069,935.10x = 21,739,496,603,319,720
  5. Step 5: Solve for x
    x = 21,739,496,603,319,720/168,069,935.10
  6. Step 6: Final answer
    x = 129,347,920.50

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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.