Home / 87,566,842.80-131,350,264.20-55,361,518.20

Finding the Fourth Proportional to 87,566,842.80, 131,350,264.20 and 55,361,518.20

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Solution

The fourth proportional to 87,566,842.80, 131,350,264.20 and 55,361,518.20 is: 83,042,277.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,566,842.80 : 131,350,264.20 = 55,361,518.20 : x
  2. Step 2: Convert to fraction form
    87,566,842.80/131,350,264.20 = 55,361,518.20/x
  3. Step 3: Cross multiply
    87,566,842.80x = 131,350,264.20 × 55,361,518.20
  4. Step 4: Simplify right side
    87,566,842.80x = 7,271,750,042,083,109
  5. Step 5: Solve for x
    x = 7,271,750,042,083,109/87,566,842.80
  6. Step 6: Final answer
    x = 83,042,277.30

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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.