Home / 82,758,117.80-123,924,600.30-65,610,288.20

Finding the Fourth Proportional to 82,758,117.80, 123,924,600.30 and 65,610,288.20

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Solution

The fourth proportional to 82,758,117.80, 123,924,600.30 and 65,610,288.20 is: 98,246,902.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,758,117.80 : 123,924,600.30 = 65,610,288.20 : x
  2. Step 2: Convert to fraction form
    82,758,117.80/123,924,600.30 = 65,610,288.20/x
  3. Step 3: Cross multiply
    82,758,117.80x = 123,924,600.30 × 65,610,288.20
  4. Step 4: Simplify right side
    82,758,117.80x = 8,130,728,740,752,807
  5. Step 5: Solve for x
    x = 8,130,728,740,752,807/82,758,117.80
  6. Step 6: Final answer
    x = 98,246,902.62

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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.