Home / 79,113,583.14-109,149,422.22-49,747,150.38

Finding the Fourth Proportional to 79,113,583.14, 109,149,422.22 and 49,747,150.38

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Solution

The fourth proportional to 79,113,583.14, 109,149,422.22 and 49,747,150.38 is: 68,633,886.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,113,583.14 : 109,149,422.22 = 49,747,150.38 : x
  2. Step 2: Convert to fraction form
    79,113,583.14/109,149,422.22 = 49,747,150.38/x
  3. Step 3: Cross multiply
    79,113,583.14x = 109,149,422.22 × 49,747,150.38
  4. Step 4: Simplify right side
    79,113,583.14x = 5,429,872,721,068,454
  5. Step 5: Solve for x
    x = 5,429,872,721,068,454/79,113,583.14
  6. Step 6: Final answer
    x = 68,633,886.95

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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.