Home / 99,098,139.80-148,647,209.70-84,749,232.80

Finding the Fourth Proportional to 99,098,139.80, 148,647,209.70 and 84,749,232.80

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Solution

The fourth proportional to 99,098,139.80, 148,647,209.70 and 84,749,232.80 is: 127,123,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,098,139.80 : 148,647,209.70 = 84,749,232.80 : x
  2. Step 2: Convert to fraction form
    99,098,139.80/148,647,209.70 = 84,749,232.80/x
  3. Step 3: Cross multiply
    99,098,139.80x = 148,647,209.70 × 84,749,232.80
  4. Step 4: Simplify right side
    99,098,139.80x = 12,597,736,979,935,716
  5. Step 5: Solve for x
    x = 12,597,736,979,935,716/99,098,139.80
  6. Step 6: Final answer
    x = 127,123,849.20

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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.