Home / 82,755,232.20-124,132,848.30-69,841,215.90

Finding the Fourth Proportional to 82,755,232.20, 124,132,848.30 and 69,841,215.90

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Solution

The fourth proportional to 82,755,232.20, 124,132,848.30 and 69,841,215.90 is: 104,761,823.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,755,232.20 : 124,132,848.30 = 69,841,215.90 : x
  2. Step 2: Convert to fraction form
    82,755,232.20/124,132,848.30 = 69,841,215.90/x
  3. Step 3: Cross multiply
    82,755,232.20x = 124,132,848.30 × 69,841,215.90
  4. Step 4: Simplify right side
    82,755,232.20x = 8,669,589,058,402,249
  5. Step 5: Solve for x
    x = 8,669,589,058,402,249/82,755,232.20
  6. Step 6: Final answer
    x = 104,761,823.85

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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.