Home / 126,336,121.44-174,345,049.28-74,126,045.28

Finding the Fourth Proportional to 126,336,121.44, 174,345,049.28 and 74,126,045.28

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Solution

The fourth proportional to 126,336,121.44, 174,345,049.28 and 74,126,045.28 is: 102,294,647.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,336,121.44 : 174,345,049.28 = 74,126,045.28 : x
  2. Step 2: Convert to fraction form
    126,336,121.44/174,345,049.28 = 74,126,045.28/x
  3. Step 3: Cross multiply
    126,336,121.44x = 174,345,049.28 × 74,126,045.28
  4. Step 4: Simplify right side
    126,336,121.44x = 12,923,509,017,273,112
  5. Step 5: Solve for x
    x = 12,923,509,017,273,112/126,336,121.44
  6. Step 6: Final answer
    x = 102,294,647.56

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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.