Home / 40,782,642.80-61,207,425.30-40,463,778.20

Finding the Fourth Proportional to 40,782,642.80, 61,207,425.30 and 40,463,778.20

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Solution

The fourth proportional to 40,782,642.80, 61,207,425.30 and 40,463,778.20 is: 60,728,866.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,782,642.80 : 61,207,425.30 = 40,463,778.20 : x
  2. Step 2: Convert to fraction form
    40,782,642.80/61,207,425.30 = 40,463,778.20/x
  3. Step 3: Cross multiply
    40,782,642.80x = 61,207,425.30 × 40,463,778.20
  4. Step 4: Simplify right side
    40,782,642.80x = 2,476,683,681,532,268.50
  5. Step 5: Solve for x
    x = 2,476,683,681,532,268.50/40,782,642.80
  6. Step 6: Final answer
    x = 60,728,866.78

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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.