Home / 66,451,465.60-99,456,014.40-48,203,785.60

Finding the Fourth Proportional to 66,451,465.60, 99,456,014.40 and 48,203,785.60

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Solution

The fourth proportional to 66,451,465.60, 99,456,014.40 and 48,203,785.60 is: 72,145,231.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,451,465.60 : 99,456,014.40 = 48,203,785.60 : x
  2. Step 2: Convert to fraction form
    66,451,465.60/99,456,014.40 = 48,203,785.60/x
  3. Step 3: Cross multiply
    66,451,465.60x = 99,456,014.40 × 48,203,785.60
  4. Step 4: Simplify right side
    66,451,465.60x = 4,794,156,394,768,113
  5. Step 5: Solve for x
    x = 4,794,156,394,768,113/66,451,465.60
  6. Step 6: Final answer
    x = 72,145,231.88

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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.