Home / 123,773,580.98-170,812,151.44-74,222,022.14

Finding the Fourth Proportional to 123,773,580.98, 170,812,151.44 and 74,222,022.14

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Solution

The fourth proportional to 123,773,580.98, 170,812,151.44 and 74,222,022.14 is: 102,429,154.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,773,580.98 : 170,812,151.44 = 74,222,022.14 : x
  2. Step 2: Convert to fraction form
    123,773,580.98/170,812,151.44 = 74,222,022.14/x
  3. Step 3: Cross multiply
    123,773,580.98x = 170,812,151.44 × 74,222,022.14
  4. Step 4: Simplify right side
    123,773,580.98x = 12,678,023,285,960,712
  5. Step 5: Solve for x
    x = 12,678,023,285,960,712/123,773,580.98
  6. Step 6: Final answer
    x = 102,429,154.80

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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.