Home / 87,942,703.80-131,914,055.70-39,368,996.40

Finding the Fourth Proportional to 87,942,703.80, 131,914,055.70 and 39,368,996.40

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Solution

The fourth proportional to 87,942,703.80, 131,914,055.70 and 39,368,996.40 is: 59,053,494.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,942,703.80 : 131,914,055.70 = 39,368,996.40 : x
  2. Step 2: Convert to fraction form
    87,942,703.80/131,914,055.70 = 39,368,996.40/x
  3. Step 3: Cross multiply
    87,942,703.80x = 131,914,055.70 × 39,368,996.40
  4. Step 4: Simplify right side
    87,942,703.80x = 5,193,323,983,962,699
  5. Step 5: Solve for x
    x = 5,193,323,983,962,699/87,942,703.80
  6. Step 6: Final answer
    x = 59,053,494.60

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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.