Home / 82,518,166.60-123,781,361.46-31,404,146.92

Finding the Fourth Proportional to 82,518,166.60, 123,781,361.46 and 31,404,146.92

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Solution

The fourth proportional to 82,518,166.60, 123,781,361.46 and 31,404,146.92 is: 47,107,785.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,518,166.60 : 123,781,361.46 = 31,404,146.92 : x
  2. Step 2: Convert to fraction form
    82,518,166.60/123,781,361.46 = 31,404,146.92/x
  3. Step 3: Cross multiply
    82,518,166.60x = 123,781,361.46 × 31,404,146.92
  4. Step 4: Simplify right side
    82,518,166.60x = 3,887,248,060,820,246.50
  5. Step 5: Solve for x
    x = 3,887,248,060,820,246.50/82,518,166.60
  6. Step 6: Final answer
    x = 47,107,785.12

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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.