Home / 82,945,687.40-124,455,855.90-29,131,620.20

Finding the Fourth Proportional to 82,945,687.40, 124,455,855.90 and 29,131,620.20

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Solution

The fourth proportional to 82,945,687.40, 124,455,855.90 and 29,131,620.20 is: 43,710,539.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,945,687.40 : 124,455,855.90 = 29,131,620.20 : x
  2. Step 2: Convert to fraction form
    82,945,687.40/124,455,855.90 = 29,131,620.20/x
  3. Step 3: Cross multiply
    82,945,687.40x = 124,455,855.90 × 29,131,620.20
  4. Step 4: Simplify right side
    82,945,687.40x = 3,625,600,725,744,729.50
  5. Step 5: Solve for x
    x = 3,625,600,725,744,729.50/82,945,687.40
  6. Step 6: Final answer
    x = 43,710,539.26

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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.