Home / 87,312,209.30-130,945,974.15-25,887,004.64

Finding the Fourth Proportional to 87,312,209.30, 130,945,974.15 and 25,887,004.64

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Solution

The fourth proportional to 87,312,209.30, 130,945,974.15 and 25,887,004.64 is: 38,823,883.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,312,209.30 : 130,945,974.15 = 25,887,004.64 : x
  2. Step 2: Convert to fraction form
    87,312,209.30/130,945,974.15 = 25,887,004.64/x
  3. Step 3: Cross multiply
    87,312,209.30x = 130,945,974.15 × 25,887,004.64
  4. Step 4: Simplify right side
    87,312,209.30x = 3,389,799,040,410,370.50
  5. Step 5: Solve for x
    x = 3,389,799,040,410,370.50/87,312,209.30
  6. Step 6: Final answer
    x = 38,823,883.48

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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.