Home / 87,360,028.40-131,040,042.60-26,767,881.20

Finding the Fourth Proportional to 87,360,028.40, 131,040,042.60 and 26,767,881.20

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Solution

The fourth proportional to 87,360,028.40, 131,040,042.60 and 26,767,881.20 is: 40,151,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,360,028.40 : 131,040,042.60 = 26,767,881.20 : x
  2. Step 2: Convert to fraction form
    87,360,028.40/131,040,042.60 = 26,767,881.20/x
  3. Step 3: Cross multiply
    87,360,028.40x = 131,040,042.60 × 26,767,881.20
  4. Step 4: Simplify right side
    87,360,028.40x = 3,507,664,292,759,739
  5. Step 5: Solve for x
    x = 3,507,664,292,759,739/87,360,028.40
  6. Step 6: Final answer
    x = 40,151,821.80

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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.