Home / 90,964,981.80-136,447,472.70-88,573,497.30

Finding the Fourth Proportional to 90,964,981.80, 136,447,472.70 and 88,573,497.30

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Solution

The fourth proportional to 90,964,981.80, 136,447,472.70 and 88,573,497.30 is: 132,860,245.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,964,981.80 : 136,447,472.70 = 88,573,497.30 : x
  2. Step 2: Convert to fraction form
    90,964,981.80/136,447,472.70 = 88,573,497.30/x
  3. Step 3: Cross multiply
    90,964,981.80x = 136,447,472.70 × 88,573,497.30
  4. Step 4: Simplify right side
    90,964,981.80x = 12,085,629,854,785,272
  5. Step 5: Solve for x
    x = 12,085,629,854,785,272/90,964,981.80
  6. Step 6: Final answer
    x = 132,860,245.95

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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.