Home / 89,542,708.80-134,314,063.20-82,376,347.20

Finding the Fourth Proportional to 89,542,708.80, 134,314,063.20 and 82,376,347.20

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Solution

The fourth proportional to 89,542,708.80, 134,314,063.20 and 82,376,347.20 is: 123,564,520.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,542,708.80 : 134,314,063.20 = 82,376,347.20 : x
  2. Step 2: Convert to fraction form
    89,542,708.80/134,314,063.20 = 82,376,347.20/x
  3. Step 3: Cross multiply
    89,542,708.80x = 134,314,063.20 × 82,376,347.20
  4. Step 4: Simplify right side
    89,542,708.80x = 11,064,301,904,005,942
  5. Step 5: Solve for x
    x = 11,064,301,904,005,942/89,542,708.80
  6. Step 6: Final answer
    x = 123,564,520.80

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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.