Home / 82,945,686.40-124,455,854.40-29,131,619.20

Finding the Fourth Proportional to 82,945,686.40, 124,455,854.40 and 29,131,619.20

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Solution

The fourth proportional to 82,945,686.40, 124,455,854.40 and 29,131,619.20 is: 43,710,537.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,945,686.40 : 124,455,854.40 = 29,131,619.20 : x
  2. Step 2: Convert to fraction form
    82,945,686.40/124,455,854.40 = 29,131,619.20/x
  3. Step 3: Cross multiply
    82,945,686.40x = 124,455,854.40 × 29,131,619.20
  4. Step 4: Simplify right side
    82,945,686.40x = 3,625,600,557,591,444.50
  5. Step 5: Solve for x
    x = 3,625,600,557,591,444.50/82,945,686.40
  6. Step 6: Final answer
    x = 43,710,537.76

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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.