Home / 43,456,879.20-65,185,318.80-28,340,335.20

Finding the Fourth Proportional to 43,456,879.20, 65,185,318.80 and 28,340,335.20

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Solution

The fourth proportional to 43,456,879.20, 65,185,318.80 and 28,340,335.20 is: 42,510,502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,456,879.20 : 65,185,318.80 = 28,340,335.20 : x
  2. Step 2: Convert to fraction form
    43,456,879.20/65,185,318.80 = 28,340,335.20/x
  3. Step 3: Cross multiply
    43,456,879.20x = 65,185,318.80 × 28,340,335.20
  4. Step 4: Simplify right side
    43,456,879.20x = 1,847,373,784,910,861.75
  5. Step 5: Solve for x
    x = 1,847,373,784,910,861.75/43,456,879.20
  6. Step 6: Final answer
    x = 42,510,502.80

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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.