Home / 83,044,614.30-124,566,921.45-78,261,645.30

Finding the Fourth Proportional to 83,044,614.30, 124,566,921.45 and 78,261,645.30

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Solution

The fourth proportional to 83,044,614.30, 124,566,921.45 and 78,261,645.30 is: 117,392,467.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,044,614.30 : 124,566,921.45 = 78,261,645.30 : x
  2. Step 2: Convert to fraction form
    83,044,614.30/124,566,921.45 = 78,261,645.30/x
  3. Step 3: Cross multiply
    83,044,614.30x = 124,566,921.45 × 78,261,645.30
  4. Step 4: Simplify right side
    83,044,614.30x = 9,748,812,222,632,862
  5. Step 5: Solve for x
    x = 9,748,812,222,632,862/83,044,614.30
  6. Step 6: Final answer
    x = 117,392,467.95

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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.