Home / 108,909,977.70-163,364,966.55-84,251,115.30

Finding the Fourth Proportional to 108,909,977.70, 163,364,966.55 and 84,251,115.30

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Solution

The fourth proportional to 108,909,977.70, 163,364,966.55 and 84,251,115.30 is: 126,376,672.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,909,977.70 : 163,364,966.55 = 84,251,115.30 : x
  2. Step 2: Convert to fraction form
    108,909,977.70/163,364,966.55 = 84,251,115.30/x
  3. Step 3: Cross multiply
    108,909,977.70x = 163,364,966.55 × 84,251,115.30
  4. Step 4: Simplify right side
    108,909,977.70x = 13,763,680,632,784,694
  5. Step 5: Solve for x
    x = 13,763,680,632,784,694/108,909,977.70
  6. Step 6: Final answer
    x = 126,376,672.95

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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.