Home / 87,389,740.80-131,084,611.20-32,802,220.80

Finding the Fourth Proportional to 87,389,740.80, 131,084,611.20 and 32,802,220.80

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Solution

The fourth proportional to 87,389,740.80, 131,084,611.20 and 32,802,220.80 is: 49,203,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,389,740.80 : 131,084,611.20 = 32,802,220.80 : x
  2. Step 2: Convert to fraction form
    87,389,740.80/131,084,611.20 = 32,802,220.80/x
  3. Step 3: Cross multiply
    87,389,740.80x = 131,084,611.20 × 32,802,220.80
  4. Step 4: Simplify right side
    87,389,740.80x = 4,299,866,360,064,553
  5. Step 5: Solve for x
    x = 4,299,866,360,064,553/87,389,740.80
  6. Step 6: Final answer
    x = 49,203,331.20

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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.