Home / 83,174,001.40-124,521,853.65-80,782,516.90

Finding the Fourth Proportional to 83,174,001.40, 124,521,853.65 and 80,782,516.90

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Solution

The fourth proportional to 83,174,001.40, 124,521,853.65 and 80,782,516.90 is: 120,941,503.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,174,001.40 : 124,521,853.65 = 80,782,516.90 : x
  2. Step 2: Convert to fraction form
    83,174,001.40/124,521,853.65 = 80,782,516.90/x
  3. Step 3: Cross multiply
    83,174,001.40x = 124,521,853.65 × 80,782,516.90
  4. Step 4: Simplify right side
    83,174,001.40x = 10,059,188,746,900,452
  5. Step 5: Solve for x
    x = 10,059,188,746,900,452/83,174,001.40
  6. Step 6: Final answer
    x = 120,941,503.08

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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.