Home / 82,692,126.96-124,037,349.30-21,281,046.90

Finding the Fourth Proportional to 82,692,126.96, 124,037,349.30 and 21,281,046.90

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Solution

The fourth proportional to 82,692,126.96, 124,037,349.30 and 21,281,046.90 is: 31,921,353.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,692,126.96 : 124,037,349.30 = 21,281,046.90 : x
  2. Step 2: Convert to fraction form
    82,692,126.96/124,037,349.30 = 21,281,046.90/x
  3. Step 3: Cross multiply
    82,692,126.96x = 124,037,349.30 × 21,281,046.90
  4. Step 4: Simplify right side
    82,692,126.96x = 2,639,644,647,804,982
  5. Step 5: Solve for x
    x = 2,639,644,647,804,982/82,692,126.96
  6. Step 6: Final answer
    x = 31,921,353.88

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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.