Home / 77,253,263.55-115,861,918.05-28,753,957.89

Finding the Fourth Proportional to 77,253,263.55, 115,861,918.05 and 28,753,957.89

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Solution

The fourth proportional to 77,253,263.55, 115,861,918.05 and 28,753,957.89 is: 43,124,245.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,253,263.55 : 115,861,918.05 = 28,753,957.89 : x
  2. Step 2: Convert to fraction form
    77,253,263.55/115,861,918.05 = 28,753,957.89/x
  3. Step 3: Cross multiply
    77,253,263.55x = 115,861,918.05 × 28,753,957.89
  4. Step 4: Simplify right side
    77,253,263.55x = 3,331,488,712,664,331
  5. Step 5: Solve for x
    x = 3,331,488,712,664,331/77,253,263.55
  6. Step 6: Final answer
    x = 43,124,245.63

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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.