Home / 123,773,583-170,812,154.20-74,222,024.16

Finding the Fourth Proportional to 123,773,583, 170,812,154.20 and 74,222,024.16

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Solution

The fourth proportional to 123,773,583, 170,812,154.20 and 74,222,024.16 is: 102,429,157.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,773,583 : 170,812,154.20 = 74,222,024.16 : x
  2. Step 2: Convert to fraction form
    123,773,583/170,812,154.20 = 74,222,024.16/x
  3. Step 3: Cross multiply
    123,773,583x = 170,812,154.20 × 74,222,024.16
  4. Step 4: Simplify right side
    123,773,583x = 12,678,023,835,854,044
  5. Step 5: Solve for x
    x = 12,678,023,835,854,044/123,773,583
  6. Step 6: Final answer
    x = 102,429,157.57

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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.