Home / 83,218,138.40-124,827,207.60-50,969,511.20

Finding the Fourth Proportional to 83,218,138.40, 124,827,207.60 and 50,969,511.20

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Solution

The fourth proportional to 83,218,138.40, 124,827,207.60 and 50,969,511.20 is: 76,454,266.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,218,138.40 : 124,827,207.60 = 50,969,511.20 : x
  2. Step 2: Convert to fraction form
    83,218,138.40/124,827,207.60 = 50,969,511.20/x
  3. Step 3: Cross multiply
    83,218,138.40x = 124,827,207.60 × 50,969,511.20
  4. Step 4: Simplify right side
    83,218,138.40x = 6,362,381,755,832,925
  5. Step 5: Solve for x
    x = 6,362,381,755,832,925/83,218,138.40
  6. Step 6: Final answer
    x = 76,454,266.80

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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.