Home / 42,708,007.20-63,912,711.60-39,124,826.40

Finding the Fourth Proportional to 42,708,007.20, 63,912,711.60 and 39,124,826.40

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Solution

The fourth proportional to 42,708,007.20, 63,912,711.60 and 39,124,826.40 is: 58,550,466.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,708,007.20 : 63,912,711.60 = 39,124,826.40 : x
  2. Step 2: Convert to fraction form
    42,708,007.20/63,912,711.60 = 39,124,826.40/x
  3. Step 3: Cross multiply
    42,708,007.20x = 63,912,711.60 × 39,124,826.40
  4. Step 4: Simplify right side
    42,708,007.20x = 2,500,573,746,103,266
  5. Step 5: Solve for x
    x = 2,500,573,746,103,266/42,708,007.20
  6. Step 6: Final answer
    x = 58,550,466.53

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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.