Home / 324,861,276.20-487,140,749.82-120,334,435.88

Finding the Fourth Proportional to 324,861,276.20, 487,140,749.82 and 120,334,435.88

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Solution

The fourth proportional to 324,861,276.20, 487,140,749.82 and 120,334,435.88 is: 180,445,659.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,861,276.20 : 487,140,749.82 = 120,334,435.88 : x
  2. Step 2: Convert to fraction form
    324,861,276.20/487,140,749.82 = 120,334,435.88/x
  3. Step 3: Cross multiply
    324,861,276.20x = 487,140,749.82 × 120,334,435.88
  4. Step 4: Simplify right side
    324,861,276.20x = 58,619,807,323,749,912
  5. Step 5: Solve for x
    x = 58,619,807,323,749,912/324,861,276.20
  6. Step 6: Final answer
    x = 180,445,659.79

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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.