Home / 51,207,177.24-76,818,405.78-18,856,593.72

Finding the Fourth Proportional to 51,207,177.24, 76,818,405.78 and 18,856,593.72

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Solution

The fourth proportional to 51,207,177.24, 76,818,405.78 and 18,856,593.72 is: 28,287,703.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,207,177.24 : 76,818,405.78 = 18,856,593.72 : x
  2. Step 2: Convert to fraction form
    51,207,177.24/76,818,405.78 = 18,856,593.72/x
  3. Step 3: Cross multiply
    51,207,177.24x = 76,818,405.78 × 18,856,593.72
  4. Step 4: Simplify right side
    51,207,177.24x = 1,448,533,468,011,559.75
  5. Step 5: Solve for x
    x = 1,448,533,468,011,559.75/51,207,177.24
  6. Step 6: Final answer
    x = 28,287,703.91

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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.