Home / 81,882,881.88-112,998,570.78-44,713,234.04

Finding the Fourth Proportional to 81,882,881.88, 112,998,570.78 and 44,713,234.04

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Solution

The fourth proportional to 81,882,881.88, 112,998,570.78 and 44,713,234.04 is: 61,704,368.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,882,881.88 : 112,998,570.78 = 44,713,234.04 : x
  2. Step 2: Convert to fraction form
    81,882,881.88/112,998,570.78 = 44,713,234.04/x
  3. Step 3: Cross multiply
    81,882,881.88x = 112,998,570.78 × 44,713,234.04
  4. Step 4: Simplify right side
    81,882,881.88x = 5,052,531,541,471,645
  5. Step 5: Solve for x
    x = 5,052,531,541,471,645/81,882,881.88
  6. Step 6: Final answer
    x = 61,704,368.79

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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.