Home / 87,991,091.80-132,049,623.30-49,611,866.20

Finding the Fourth Proportional to 87,991,091.80, 132,049,623.30 and 49,611,866.20

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Solution

The fourth proportional to 87,991,091.80, 132,049,623.30 and 49,611,866.20 is: 74,453,312.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,991,091.80 : 132,049,623.30 = 49,611,866.20 : x
  2. Step 2: Convert to fraction form
    87,991,091.80/132,049,623.30 = 49,611,866.20/x
  3. Step 3: Cross multiply
    87,991,091.80x = 132,049,623.30 × 49,611,866.20
  4. Step 4: Simplify right side
    87,991,091.80x = 6,551,228,242,920,003
  5. Step 5: Solve for x
    x = 6,551,228,242,920,003/87,991,091.80
  6. Step 6: Final answer
    x = 74,453,312.36

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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.