Home / 99,678,211.45-137,555,956.62-55,024,209.46

Finding the Fourth Proportional to 99,678,211.45, 137,555,956.62 and 55,024,209.46

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Solution

The fourth proportional to 99,678,211.45, 137,555,956.62 and 55,024,209.46 is: 75,933,422.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,678,211.45 : 137,555,956.62 = 55,024,209.46 : x
  2. Step 2: Convert to fraction form
    99,678,211.45/137,555,956.62 = 55,024,209.46/x
  3. Step 3: Cross multiply
    99,678,211.45x = 137,555,956.62 × 55,024,209.46
  4. Step 4: Simplify right side
    99,678,211.45x = 7,568,907,769,529,554
  5. Step 5: Solve for x
    x = 7,568,907,769,529,554/99,678,211.45
  6. Step 6: Final answer
    x = 75,933,422.76

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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.