Home / 80,455,874.96-111,040,807.02-45,177,640.40

Finding the Fourth Proportional to 80,455,874.96, 111,040,807.02 and 45,177,640.40

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Solution

The fourth proportional to 80,455,874.96, 111,040,807.02 and 45,177,640.40 is: 62,351,713.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,455,874.96 : 111,040,807.02 = 45,177,640.40 : x
  2. Step 2: Convert to fraction form
    80,455,874.96/111,040,807.02 = 45,177,640.40/x
  3. Step 3: Cross multiply
    80,455,874.96x = 111,040,807.02 × 45,177,640.40
  4. Step 4: Simplify right side
    80,455,874.96x = 5,016,561,649,275,355
  5. Step 5: Solve for x
    x = 5,016,561,649,275,355/80,455,874.96
  6. Step 6: Final answer
    x = 62,351,713.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.