Home / 77,251,425.89-106,701,280.50-57,758,760.50

Finding the Fourth Proportional to 77,251,425.89, 106,701,280.50 and 57,758,760.50

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Solution

The fourth proportional to 77,251,425.89, 106,701,280.50 and 57,758,760.50 is: 79,777,604.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,251,425.89 : 106,701,280.50 = 57,758,760.50 : x
  2. Step 2: Convert to fraction form
    77,251,425.89/106,701,280.50 = 57,758,760.50/x
  3. Step 3: Cross multiply
    77,251,425.89x = 106,701,280.50 × 57,758,760.50
  4. Step 4: Simplify right side
    77,251,425.89x = 6,162,933,704,909,314
  5. Step 5: Solve for x
    x = 6,162,933,704,909,314/77,251,425.89
  6. Step 6: Final answer
    x = 79,777,604.55

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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.