Home / 215,580,863.20-323,374,059.60-71,973,695.20

Finding the Fourth Proportional to 215,580,863.20, 323,374,059.60 and 71,973,695.20

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Solution

The fourth proportional to 215,580,863.20, 323,374,059.60 and 71,973,695.20 is: 107,961,465.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,580,863.20 : 323,374,059.60 = 71,973,695.20 : x
  2. Step 2: Convert to fraction form
    215,580,863.20/323,374,059.60 = 71,973,695.20/x
  3. Step 3: Cross multiply
    215,580,863.20x = 323,374,059.60 × 71,973,695.20
  4. Step 4: Simplify right side
    215,580,863.20x = 23,274,426,001,237,036
  5. Step 5: Solve for x
    x = 23,274,426,001,237,036/215,580,863.20
  6. Step 6: Final answer
    x = 107,961,465.85

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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.