Home / 125,123,376.90-187,440,726.42-59,451,057.12

Finding the Fourth Proportional to 125,123,376.90, 187,440,726.42 and 59,451,057.12

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Solution

The fourth proportional to 125,123,376.90, 187,440,726.42 and 59,451,057.12 is: 89,060,490.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,123,376.90 : 187,440,726.42 = 59,451,057.12 : x
  2. Step 2: Convert to fraction form
    125,123,376.90/187,440,726.42 = 59,451,057.12/x
  3. Step 3: Cross multiply
    125,123,376.90x = 187,440,726.42 × 59,451,057.12
  4. Step 4: Simplify right side
    125,123,376.90x = 11,143,549,333,009,712
  5. Step 5: Solve for x
    x = 11,143,549,333,009,712/125,123,376.90
  6. Step 6: Final answer
    x = 89,060,490.61

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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.