Home / 82,945,781.60-124,418,672.40-58,759,311.20

Finding the Fourth Proportional to 82,945,781.60, 124,418,672.40 and 58,759,311.20

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Solution

The fourth proportional to 82,945,781.60, 124,418,672.40 and 58,759,311.20 is: 88,138,966.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,945,781.60 : 124,418,672.40 = 58,759,311.20 : x
  2. Step 2: Convert to fraction form
    82,945,781.60/124,418,672.40 = 58,759,311.20/x
  3. Step 3: Cross multiply
    82,945,781.60x = 124,418,672.40 × 58,759,311.20
  4. Step 4: Simplify right side
    82,945,781.60x = 7,310,755,490,642,452
  5. Step 5: Solve for x
    x = 7,310,755,490,642,452/82,945,781.60
  6. Step 6: Final answer
    x = 88,138,966.80

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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.