Home / 42,121,605.20-63,182,407.80-22,989,729.20

Finding the Fourth Proportional to 42,121,605.20, 63,182,407.80 and 22,989,729.20

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Solution

The fourth proportional to 42,121,605.20, 63,182,407.80 and 22,989,729.20 is: 34,484,593.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,121,605.20 : 63,182,407.80 = 22,989,729.20 : x
  2. Step 2: Convert to fraction form
    42,121,605.20/63,182,407.80 = 22,989,729.20/x
  3. Step 3: Cross multiply
    42,121,605.20x = 63,182,407.80 × 22,989,729.20
  4. Step 4: Simplify right side
    42,121,605.20x = 1,452,546,445,525,967.75
  5. Step 5: Solve for x
    x = 1,452,546,445,525,967.75/42,121,605.20
  6. Step 6: Final answer
    x = 34,484,593.80

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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.