Home / 87,831,093.80-131,587,208.40-71,568,999.20

Finding the Fourth Proportional to 87,831,093.80, 131,587,208.40 and 71,568,999.20

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Solution

The fourth proportional to 87,831,093.80, 131,587,208.40 and 71,568,999.20 is: 107,223,585.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,831,093.80 : 131,587,208.40 = 71,568,999.20 : x
  2. Step 2: Convert to fraction form
    87,831,093.80/131,587,208.40 = 71,568,999.20/x
  3. Step 3: Cross multiply
    87,831,093.80x = 131,587,208.40 × 71,568,999.20
  4. Step 4: Simplify right side
    87,831,093.80x = 9,417,564,812,709,834
  5. Step 5: Solve for x
    x = 9,417,564,812,709,834/87,831,093.80
  6. Step 6: Final answer
    x = 107,223,585.69

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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.