Home / 83,840,399.20-125,462,000.40-58,160,936.80

Finding the Fourth Proportional to 83,840,399.20, 125,462,000.40 and 58,160,936.80

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Solution

The fourth proportional to 83,840,399.20, 125,462,000.40 and 58,160,936.80 is: 87,034,264.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,840,399.20 : 125,462,000.40 = 58,160,936.80 : x
  2. Step 2: Convert to fraction form
    83,840,399.20/125,462,000.40 = 58,160,936.80/x
  3. Step 3: Cross multiply
    83,840,399.20x = 125,462,000.40 × 58,160,936.80
  4. Step 4: Simplify right side
    83,840,399.20x = 7,296,987,476,065,975
  5. Step 5: Solve for x
    x = 7,296,987,476,065,975/83,840,399.20
  6. Step 6: Final answer
    x = 87,034,264.46

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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.