Home / 80,838,043.20-121,257,064.80-23,332,190.40

Finding the Fourth Proportional to 80,838,043.20, 121,257,064.80 and 23,332,190.40

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Solution

The fourth proportional to 80,838,043.20, 121,257,064.80 and 23,332,190.40 is: 34,998,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,838,043.20 : 121,257,064.80 = 23,332,190.40 : x
  2. Step 2: Convert to fraction form
    80,838,043.20/121,257,064.80 = 23,332,190.40/x
  3. Step 3: Cross multiply
    80,838,043.20x = 121,257,064.80 × 23,332,190.40
  4. Step 4: Simplify right side
    80,838,043.20x = 2,829,192,923,258,737.50
  5. Step 5: Solve for x
    x = 2,829,192,923,258,737.50/80,838,043.20
  6. Step 6: Final answer
    x = 34,998,285.60

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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.