Home / 81,589,710.80-122,356,047.72-24,066,711.92

Finding the Fourth Proportional to 81,589,710.80, 122,356,047.72 and 24,066,711.92

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Solution

The fourth proportional to 81,589,710.80, 122,356,047.72 and 24,066,711.92 is: 36,091,655.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,589,710.80 : 122,356,047.72 = 24,066,711.92 : x
  2. Step 2: Convert to fraction form
    81,589,710.80/122,356,047.72 = 24,066,711.92/x
  3. Step 3: Cross multiply
    81,589,710.80x = 122,356,047.72 × 24,066,711.92
  4. Step 4: Simplify right side
    81,589,710.80x = 2,944,707,752,147,013
  5. Step 5: Solve for x
    x = 2,944,707,752,147,013/81,589,710.80
  6. Step 6: Final answer
    x = 36,091,655.72

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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.