Home / 89,542,711.80-134,314,067.70-82,376,350.20

Finding the Fourth Proportional to 89,542,711.80, 134,314,067.70 and 82,376,350.20

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Solution

The fourth proportional to 89,542,711.80, 134,314,067.70 and 82,376,350.20 is: 123,564,525.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,542,711.80 : 134,314,067.70 = 82,376,350.20 : x
  2. Step 2: Convert to fraction form
    89,542,711.80/134,314,067.70 = 82,376,350.20/x
  3. Step 3: Cross multiply
    89,542,711.80x = 134,314,067.70 × 82,376,350.20
  4. Step 4: Simplify right side
    89,542,711.80x = 11,064,302,677,641,708
  5. Step 5: Solve for x
    x = 11,064,302,677,641,708/89,542,711.80
  6. Step 6: Final answer
    x = 123,564,525.30

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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.