Home / 125,305,774.16-187,967,720.24-52,449,280.88

Finding the Fourth Proportional to 125,305,774.16, 187,967,720.24 and 52,449,280.88

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Solution

The fourth proportional to 125,305,774.16, 187,967,720.24 and 52,449,280.88 is: 78,677,713.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,305,774.16 : 187,967,720.24 = 52,449,280.88 : x
  2. Step 2: Convert to fraction form
    125,305,774.16/187,967,720.24 = 52,449,280.88/x
  3. Step 3: Cross multiply
    125,305,774.16x = 187,967,720.24 × 52,449,280.88
  4. Step 4: Simplify right side
    125,305,774.16x = 9,858,771,755,241,022
  5. Step 5: Solve for x
    x = 9,858,771,755,241,022/125,305,774.16
  6. Step 6: Final answer
    x = 78,677,713.15

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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.