Home / 131,023,167.20-180,805,659.92-71,480,918.24

Finding the Fourth Proportional to 131,023,167.20, 180,805,659.92 and 71,480,918.24

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Solution

The fourth proportional to 131,023,167.20, 180,805,659.92 and 71,480,918.24 is: 98,640,224.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,023,167.20 : 180,805,659.92 = 71,480,918.24 : x
  2. Step 2: Convert to fraction form
    131,023,167.20/180,805,659.92 = 71,480,918.24/x
  3. Step 3: Cross multiply
    131,023,167.20x = 180,805,659.92 × 71,480,918.24
  4. Step 4: Simplify right side
    131,023,167.20x = 12,924,154,594,070,764
  5. Step 5: Solve for x
    x = 12,924,154,594,070,764/131,023,167.20
  6. Step 6: Final answer
    x = 98,640,224.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.