Home / 87,313,821.20-130,971,185.40-22,613,094.80

Finding the Fourth Proportional to 87,313,821.20, 130,971,185.40 and 22,613,094.80

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Solution

The fourth proportional to 87,313,821.20, 130,971,185.40 and 22,613,094.80 is: 33,919,759.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,313,821.20 : 130,971,185.40 = 22,613,094.80 : x
  2. Step 2: Convert to fraction form
    87,313,821.20/130,971,185.40 = 22,613,094.80/x
  3. Step 3: Cross multiply
    87,313,821.20x = 130,971,185.40 × 22,613,094.80
  4. Step 4: Simplify right side
    87,313,821.20x = 2,961,663,831,518,576
  5. Step 5: Solve for x
    x = 2,961,663,831,518,576/87,313,821.20
  6. Step 6: Final answer
    x = 33,919,759.68

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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.