Home / 101,336,807.88-139,859,737.02-64,170,481.56

Finding the Fourth Proportional to 101,336,807.88, 139,859,737.02 and 64,170,481.56

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Solution

The fourth proportional to 101,336,807.88, 139,859,737.02 and 64,170,481.56 is: 88,564,726.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,336,807.88 : 139,859,737.02 = 64,170,481.56 : x
  2. Step 2: Convert to fraction form
    101,336,807.88/139,859,737.02 = 64,170,481.56/x
  3. Step 3: Cross multiply
    101,336,807.88x = 139,859,737.02 × 64,170,481.56
  4. Step 4: Simplify right side
    101,336,807.88x = 8,974,866,675,428,360
  5. Step 5: Solve for x
    x = 8,974,866,675,428,360/101,336,807.88
  6. Step 6: Final answer
    x = 88,564,726.51

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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.