Home / 138,983,912.76-208,477,474.02-41,940,460.92

Finding the Fourth Proportional to 138,983,912.76, 208,477,474.02 and 41,940,460.92

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Solution

The fourth proportional to 138,983,912.76, 208,477,474.02 and 41,940,460.92 is: 62,911,175.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,983,912.76 : 208,477,474.02 = 41,940,460.92 : x
  2. Step 2: Convert to fraction form
    138,983,912.76/208,477,474.02 = 41,940,460.92/x
  3. Step 3: Cross multiply
    138,983,912.76x = 208,477,474.02 × 41,940,460.92
  4. Step 4: Simplify right side
    138,983,912.76x = 8,743,641,351,836,126
  5. Step 5: Solve for x
    x = 8,743,641,351,836,126/138,983,912.76
  6. Step 6: Final answer
    x = 62,911,175.68

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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.