Home / 279,785,060.80-419,677,591.20-88,308,836.80

Finding the Fourth Proportional to 279,785,060.80, 419,677,591.20 and 88,308,836.80

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Solution

The fourth proportional to 279,785,060.80, 419,677,591.20 and 88,308,836.80 is: 132,463,255.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,785,060.80 : 419,677,591.20 = 88,308,836.80 : x
  2. Step 2: Convert to fraction form
    279,785,060.80/419,677,591.20 = 88,308,836.80/x
  3. Step 3: Cross multiply
    279,785,060.80x = 419,677,591.20 × 88,308,836.80
  4. Step 4: Simplify right side
    279,785,060.80x = 37,061,239,909,897,912
  5. Step 5: Solve for x
    x = 37,061,239,909,897,912/279,785,060.80
  6. Step 6: Final answer
    x = 132,463,255.20

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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.