Home / 275,609,187.20-413,413,780.80-193,979,849.60

Finding the Fourth Proportional to 275,609,187.20, 413,413,780.80 and 193,979,849.60

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Solution

The fourth proportional to 275,609,187.20, 413,413,780.80 and 193,979,849.60 is: 290,969,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,609,187.20 : 413,413,780.80 = 193,979,849.60 : x
  2. Step 2: Convert to fraction form
    275,609,187.20/413,413,780.80 = 193,979,849.60/x
  3. Step 3: Cross multiply
    275,609,187.20x = 413,413,780.80 × 193,979,849.60
  4. Step 4: Simplify right side
    275,609,187.20x = 80,193,943,022,151,360
  5. Step 5: Solve for x
    x = 80,193,943,022,151,360/275,609,187.20
  6. Step 6: Final answer
    x = 290,969,774.40

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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.