Home / 43,609,728.80-65,343,734.40-36,382,131.20

Finding the Fourth Proportional to 43,609,728.80, 65,343,734.40 and 36,382,131.20

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Solution

The fourth proportional to 43,609,728.80, 65,343,734.40 and 36,382,131.20 is: 54,514,081.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,609,728.80 : 65,343,734.40 = 36,382,131.20 : x
  2. Step 2: Convert to fraction form
    43,609,728.80/65,343,734.40 = 36,382,131.20/x
  3. Step 3: Cross multiply
    43,609,728.80x = 65,343,734.40 × 36,382,131.20
  4. Step 4: Simplify right side
    43,609,728.80x = 2,377,344,318,038,753.50
  5. Step 5: Solve for x
    x = 2,377,344,318,038,753.50/43,609,728.80
  6. Step 6: Final answer
    x = 54,514,081.68

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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.