Home / 82,599,234.60-123,934,281.30-42,209,718.60

Finding the Fourth Proportional to 82,599,234.60, 123,934,281.30 and 42,209,718.60

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Solution

The fourth proportional to 82,599,234.60, 123,934,281.30 and 42,209,718.60 is: 63,332,682.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,599,234.60 : 123,934,281.30 = 42,209,718.60 : x
  2. Step 2: Convert to fraction form
    82,599,234.60/123,934,281.30 = 42,209,718.60/x
  3. Step 3: Cross multiply
    82,599,234.60x = 123,934,281.30 × 42,209,718.60
  4. Step 4: Simplify right side
    82,599,234.60x = 5,231,231,138,566,242
  5. Step 5: Solve for x
    x = 5,231,231,138,566,242/82,599,234.60
  6. Step 6: Final answer
    x = 63,332,682.97

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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.