Home / 78,332,702.64-108,094,390.89-43,524,202.88

Finding the Fourth Proportional to 78,332,702.64, 108,094,390.89 and 43,524,202.88

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Solution

The fourth proportional to 78,332,702.64, 108,094,390.89 and 43,524,202.88 is: 60,060,766.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,332,702.64 : 108,094,390.89 = 43,524,202.88 : x
  2. Step 2: Convert to fraction form
    78,332,702.64/108,094,390.89 = 43,524,202.88/x
  3. Step 3: Cross multiply
    78,332,702.64x = 108,094,390.89 × 43,524,202.88
  4. Step 4: Simplify right side
    78,332,702.64x = 4,704,722,198,745,912
  5. Step 5: Solve for x
    x = 4,704,722,198,745,912/78,332,702.64
  6. Step 6: Final answer
    x = 60,060,766.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.