Home / 82,481,515.80-123,854,465.70-65,582,712.60

Finding the Fourth Proportional to 82,481,515.80, 123,854,465.70 and 65,582,712.60

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Solution

The fourth proportional to 82,481,515.80, 123,854,465.70 and 65,582,712.60 is: 98,479,177.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,481,515.80 : 123,854,465.70 = 65,582,712.60 : x
  2. Step 2: Convert to fraction form
    82,481,515.80/123,854,465.70 = 65,582,712.60/x
  3. Step 3: Cross multiply
    82,481,515.80x = 123,854,465.70 × 65,582,712.60
  4. Step 4: Simplify right side
    82,481,515.80x = 8,122,711,828,229,658
  5. Step 5: Solve for x
    x = 8,122,711,828,229,658/82,481,515.80
  6. Step 6: Final answer
    x = 98,479,177.42

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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.