Home / 88,578,731.20-132,868,096.80-85,177,508.80

Finding the Fourth Proportional to 88,578,731.20, 132,868,096.80 and 85,177,508.80

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Solution

The fourth proportional to 88,578,731.20, 132,868,096.80 and 85,177,508.80 is: 127,766,263.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,578,731.20 : 132,868,096.80 = 85,177,508.80 : x
  2. Step 2: Convert to fraction form
    88,578,731.20/132,868,096.80 = 85,177,508.80/x
  3. Step 3: Cross multiply
    88,578,731.20x = 132,868,096.80 × 85,177,508.80
  4. Step 4: Simplify right side
    88,578,731.20x = 11,317,373,484,421,252
  5. Step 5: Solve for x
    x = 11,317,373,484,421,252/88,578,731.20
  6. Step 6: Final answer
    x = 127,766,263.20

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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.