Home / 156,288,597.33-234,454,453.98-90,740,604.70

Finding the Fourth Proportional to 156,288,597.33, 234,454,453.98 and 90,740,604.70

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Solution

The fourth proportional to 156,288,597.33, 234,454,453.98 and 90,740,604.70 is: 136,123,423.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,288,597.33 : 234,454,453.98 = 90,740,604.70 : x
  2. Step 2: Convert to fraction form
    156,288,597.33/234,454,453.98 = 90,740,604.70/x
  3. Step 3: Cross multiply
    156,288,597.33x = 234,454,453.98 × 90,740,604.70
  4. Step 4: Simplify right side
    156,288,597.33x = 21,274,538,928,753,520
  5. Step 5: Solve for x
    x = 21,274,538,928,753,520/156,288,597.33
  6. Step 6: Final answer
    x = 136,123,423.54

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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.