Home / 330,858,848.20-496,288,272.30-85,215,008.20

Finding the Fourth Proportional to 330,858,848.20, 496,288,272.30 and 85,215,008.20

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Solution

The fourth proportional to 330,858,848.20, 496,288,272.30 and 85,215,008.20 is: 127,822,512.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,858,848.20 : 496,288,272.30 = 85,215,008.20 : x
  2. Step 2: Convert to fraction form
    330,858,848.20/496,288,272.30 = 85,215,008.20/x
  3. Step 3: Cross multiply
    330,858,848.20x = 496,288,272.30 × 85,215,008.20
  4. Step 4: Simplify right side
    330,858,848.20x = 42,291,209,193,608,336
  5. Step 5: Solve for x
    x = 42,291,209,193,608,336/330,858,848.20
  6. Step 6: Final answer
    x = 127,822,512.30

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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.