Home / 286,281,763.20-429,646,593.60-132,946,819.20

Finding the Fourth Proportional to 286,281,763.20, 429,646,593.60 and 132,946,819.20

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Solution

The fourth proportional to 286,281,763.20, 429,646,593.60 and 132,946,819.20 is: 199,524,228.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,281,763.20 : 429,646,593.60 = 132,946,819.20 : x
  2. Step 2: Convert to fraction form
    286,281,763.20/429,646,593.60 = 132,946,819.20/x
  3. Step 3: Cross multiply
    286,281,763.20x = 429,646,593.60 × 132,946,819.20
  4. Step 4: Simplify right side
    286,281,763.20x = 57,120,147,999,235,080
  5. Step 5: Solve for x
    x = 57,120,147,999,235,080/286,281,763.20
  6. Step 6: Final answer
    x = 199,524,228.72

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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.