Home / 160,401,680.28-221,348,402.46-87,061,247.64

Finding the Fourth Proportional to 160,401,680.28, 221,348,402.46 and 87,061,247.64

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Solution

The fourth proportional to 160,401,680.28, 221,348,402.46 and 87,061,247.64 is: 120,141,310.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,401,680.28 : 221,348,402.46 = 87,061,247.64 : x
  2. Step 2: Convert to fraction form
    160,401,680.28/221,348,402.46 = 87,061,247.64/x
  3. Step 3: Cross multiply
    160,401,680.28x = 221,348,402.46 × 87,061,247.64
  4. Step 4: Simplify right side
    160,401,680.28x = 19,270,868,081,288,448
  5. Step 5: Solve for x
    x = 19,270,868,081,288,448/160,401,680.28
  6. Step 6: Final answer
    x = 120,141,310.54

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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.