Home / 99,542,806.20-149,314,209.30-82,536,694.20

Finding the Fourth Proportional to 99,542,806.20, 149,314,209.30 and 82,536,694.20

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Solution

The fourth proportional to 99,542,806.20, 149,314,209.30 and 82,536,694.20 is: 123,805,041.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,542,806.20 : 149,314,209.30 = 82,536,694.20 : x
  2. Step 2: Convert to fraction form
    99,542,806.20/149,314,209.30 = 82,536,694.20/x
  3. Step 3: Cross multiply
    99,542,806.20x = 149,314,209.30 × 82,536,694.20
  4. Step 4: Simplify right side
    99,542,806.20x = 12,323,901,232,708,898
  5. Step 5: Solve for x
    x = 12,323,901,232,708,898/99,542,806.20
  6. Step 6: Final answer
    x = 123,805,041.30

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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.