Home / 57,754,100.75-79,700,659.97-31,649,645.93

Finding the Fourth Proportional to 57,754,100.75, 79,700,659.97 and 31,649,645.93

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Solution

The fourth proportional to 57,754,100.75, 79,700,659.97 and 31,649,645.93 is: 43,676,511.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,754,100.75 : 79,700,659.97 = 31,649,645.93 : x
  2. Step 2: Convert to fraction form
    57,754,100.75/79,700,659.97 = 31,649,645.93/x
  3. Step 3: Cross multiply
    57,754,100.75x = 79,700,659.97 × 31,649,645.93
  4. Step 4: Simplify right side
    57,754,100.75x = 2,522,497,668,437,824.50
  5. Step 5: Solve for x
    x = 2,522,497,668,437,824.50/57,754,100.75
  6. Step 6: Final answer
    x = 43,676,511.90

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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.