Home / 87,057,180.81-130,486,770.72-45,493,973.01

Finding the Fourth Proportional to 87,057,180.81, 130,486,770.72 and 45,493,973.01

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Solution

The fourth proportional to 87,057,180.81, 130,486,770.72 and 45,493,973.01 is: 68,189,224.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,057,180.81 : 130,486,770.72 = 45,493,973.01 : x
  2. Step 2: Convert to fraction form
    87,057,180.81/130,486,770.72 = 45,493,973.01/x
  3. Step 3: Cross multiply
    87,057,180.81x = 130,486,770.72 × 45,493,973.01
  4. Step 4: Simplify right side
    87,057,180.81x = 5,936,361,625,297,738
  5. Step 5: Solve for x
    x = 5,936,361,625,297,738/87,057,180.81
  6. Step 6: Final answer
    x = 68,189,224.26

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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.