Home / 71,782,542.88-99,059,405.25-39,187,494.88

Finding the Fourth Proportional to 71,782,542.88, 99,059,405.25 and 39,187,494.88

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Solution

The fourth proportional to 71,782,542.88, 99,059,405.25 and 39,187,494.88 is: 54,078,467.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,782,542.88 : 99,059,405.25 = 39,187,494.88 : x
  2. Step 2: Convert to fraction form
    71,782,542.88/99,059,405.25 = 39,187,494.88/x
  3. Step 3: Cross multiply
    71,782,542.88x = 99,059,405.25 × 39,187,494.88
  4. Step 4: Simplify right side
    71,782,542.88x = 3,881,889,936,050,220.50
  5. Step 5: Solve for x
    x = 3,881,889,936,050,220.50/71,782,542.88
  6. Step 6: Final answer
    x = 54,078,467.83

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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.