Home / 88,578,749.20-132,868,123.80-85,177,526.80

Finding the Fourth Proportional to 88,578,749.20, 132,868,123.80 and 85,177,526.80

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Solution

The fourth proportional to 88,578,749.20, 132,868,123.80 and 85,177,526.80 is: 127,766,290.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,578,749.20 : 132,868,123.80 = 85,177,526.80 : x
  2. Step 2: Convert to fraction form
    88,578,749.20/132,868,123.80 = 85,177,526.80/x
  3. Step 3: Cross multiply
    88,578,749.20x = 132,868,123.80 × 85,177,526.80
  4. Step 4: Simplify right side
    88,578,749.20x = 11,317,378,175,840,218
  5. Step 5: Solve for x
    x = 11,317,378,175,840,218/88,578,749.20
  6. Step 6: Final answer
    x = 127,766,290.20

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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.