Home / 144,093,522.92-198,846,687.78-78,013,492.88

Finding the Fourth Proportional to 144,093,522.92, 198,846,687.78 and 78,013,492.88

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Solution

The fourth proportional to 144,093,522.92, 198,846,687.78 and 78,013,492.88 is: 107,657,334.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,093,522.92 : 198,846,687.78 = 78,013,492.88 : x
  2. Step 2: Convert to fraction form
    144,093,522.92/198,846,687.78 = 78,013,492.88/x
  3. Step 3: Cross multiply
    144,093,522.92x = 198,846,687.78 × 78,013,492.88
  4. Step 4: Simplify right side
    144,093,522.92x = 15,512,724,660,342,380
  5. Step 5: Solve for x
    x = 15,512,724,660,342,380/144,093,522.92
  6. Step 6: Final answer
    x = 107,657,334.95

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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.