Home / 67,068,205.70-100,602,308.55-54,951,350.90

Finding the Fourth Proportional to 67,068,205.70, 100,602,308.55 and 54,951,350.90

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Solution

The fourth proportional to 67,068,205.70, 100,602,308.55 and 54,951,350.90 is: 82,427,026.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,068,205.70 : 100,602,308.55 = 54,951,350.90 : x
  2. Step 2: Convert to fraction form
    67,068,205.70/100,602,308.55 = 54,951,350.90/x
  3. Step 3: Cross multiply
    67,068,205.70x = 100,602,308.55 × 54,951,350.90
  4. Step 4: Simplify right side
    67,068,205.70x = 5,528,232,758,481,120
  5. Step 5: Solve for x
    x = 5,528,232,758,481,120/67,068,205.70
  6. Step 6: Final answer
    x = 82,427,026.35

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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.