Home / 48,121,046.40-72,181,569.60-40,149,431.40

Finding the Fourth Proportional to 48,121,046.40, 72,181,569.60 and 40,149,431.40

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Solution

The fourth proportional to 48,121,046.40, 72,181,569.60 and 40,149,431.40 is: 60,224,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,121,046.40 : 72,181,569.60 = 40,149,431.40 : x
  2. Step 2: Convert to fraction form
    48,121,046.40/72,181,569.60 = 40,149,431.40/x
  3. Step 3: Cross multiply
    48,121,046.40x = 72,181,569.60 × 40,149,431.40
  4. Step 4: Simplify right side
    48,121,046.40x = 2,898,048,976,999,525
  5. Step 5: Solve for x
    x = 2,898,048,976,999,525/48,121,046.40
  6. Step 6: Final answer
    x = 60,224,147.10

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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.