Home / 268,336,849.20-402,292,697.40-147,168,301.20

Finding the Fourth Proportional to 268,336,849.20, 402,292,697.40 and 147,168,301.20

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Solution

The fourth proportional to 268,336,849.20, 402,292,697.40 and 147,168,301.20 is: 220,635,865.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,336,849.20 : 402,292,697.40 = 147,168,301.20 : x
  2. Step 2: Convert to fraction form
    268,336,849.20/402,292,697.40 = 147,168,301.20/x
  3. Step 3: Cross multiply
    268,336,849.20x = 402,292,697.40 × 147,168,301.20
  4. Step 4: Simplify right side
    268,336,849.20x = 59,204,732,861,523,648
  5. Step 5: Solve for x
    x = 59,204,732,861,523,648/268,336,849.20
  6. Step 6: Final answer
    x = 220,635,865.10

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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.