Home / 119,866,557.16-165,416,136.42-64,863,003.88

Finding the Fourth Proportional to 119,866,557.16, 165,416,136.42 and 64,863,003.88

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Solution

The fourth proportional to 119,866,557.16, 165,416,136.42 and 64,863,003.88 is: 89,511,100.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,866,557.16 : 165,416,136.42 = 64,863,003.88 : x
  2. Step 2: Convert to fraction form
    119,866,557.16/165,416,136.42 = 64,863,003.88/x
  3. Step 3: Cross multiply
    119,866,557.16x = 165,416,136.42 × 64,863,003.88
  4. Step 4: Simplify right side
    119,866,557.16x = 10,729,387,498,425,068
  5. Step 5: Solve for x
    x = 10,729,387,498,425,068/119,866,557.16
  6. Step 6: Final answer
    x = 89,511,100.95

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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.