Home / 120,049,489.65-165,604,390.11-73,020,946.97

Finding the Fourth Proportional to 120,049,489.65, 165,604,390.11 and 73,020,946.97

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Solution

The fourth proportional to 120,049,489.65, 165,604,390.11 and 73,020,946.97 is: 100,730,035.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,049,489.65 : 165,604,390.11 = 73,020,946.97 : x
  2. Step 2: Convert to fraction form
    120,049,489.65/165,604,390.11 = 73,020,946.97/x
  3. Step 3: Cross multiply
    120,049,489.65x = 165,604,390.11 × 73,020,946.97
  4. Step 4: Simplify right side
    120,049,489.65x = 12,092,589,387,393,482
  5. Step 5: Solve for x
    x = 12,092,589,387,393,482/120,049,489.65
  6. Step 6: Final answer
    x = 100,730,035.78

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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.