Home / 87,942,706.80-131,914,060.20-39,368,999.40

Finding the Fourth Proportional to 87,942,706.80, 131,914,060.20 and 39,368,999.40

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Solution

The fourth proportional to 87,942,706.80, 131,914,060.20 and 39,368,999.40 is: 59,053,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,942,706.80 : 131,914,060.20 = 39,368,999.40 : x
  2. Step 2: Convert to fraction form
    87,942,706.80/131,914,060.20 = 39,368,999.40/x
  3. Step 3: Cross multiply
    87,942,706.80x = 131,914,060.20 × 39,368,999.40
  4. Step 4: Simplify right side
    87,942,706.80x = 5,193,324,556,865,364
  5. Step 5: Solve for x
    x = 5,193,324,556,865,364/87,942,706.80
  6. Step 6: Final answer
    x = 59,053,499.10

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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.