Home / 221,608,109.52-332,447,885.28-68,254,094.88

Finding the Fourth Proportional to 221,608,109.52, 332,447,885.28 and 68,254,094.88

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Solution

The fourth proportional to 221,608,109.52, 332,447,885.28 and 68,254,094.88 is: 102,392,144.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,608,109.52 : 332,447,885.28 = 68,254,094.88 : x
  2. Step 2: Convert to fraction form
    221,608,109.52/332,447,885.28 = 68,254,094.88/x
  3. Step 3: Cross multiply
    221,608,109.52x = 332,447,885.28 × 68,254,094.88
  4. Step 4: Simplify right side
    221,608,109.52x = 22,690,929,504,556,472
  5. Step 5: Solve for x
    x = 22,690,929,504,556,472/221,608,109.52
  6. Step 6: Final answer
    x = 102,392,144.19

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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.