Home / 81,532,000.29-122,143,691.22-48,195,409.64

Finding the Fourth Proportional to 81,532,000.29, 122,143,691.22 and 48,195,409.64

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Solution

The fourth proportional to 81,532,000.29, 122,143,691.22 and 48,195,409.64 is: 72,201,898.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,532,000.29 : 122,143,691.22 = 48,195,409.64 : x
  2. Step 2: Convert to fraction form
    81,532,000.29/122,143,691.22 = 48,195,409.64/x
  3. Step 3: Cross multiply
    81,532,000.29x = 122,143,691.22 × 48,195,409.64
  4. Step 4: Simplify right side
    81,532,000.29x = 5,886,765,232,678,853
  5. Step 5: Solve for x
    x = 5,886,765,232,678,853/81,532,000.29
  6. Step 6: Final answer
    x = 72,201,898.79

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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.