Home / 213,003,211.60-319,536,747.60-90,181,291.60

Finding the Fourth Proportional to 213,003,211.60, 319,536,747.60 and 90,181,291.60

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Solution

The fourth proportional to 213,003,211.60, 319,536,747.60 and 90,181,291.60 is: 135,285,456.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,003,211.60 : 319,536,747.60 = 90,181,291.60 : x
  2. Step 2: Convert to fraction form
    213,003,211.60/319,536,747.60 = 90,181,291.60/x
  3. Step 3: Cross multiply
    213,003,211.60x = 319,536,747.60 × 90,181,291.60
  4. Step 4: Simplify right side
    213,003,211.60x = 28,816,236,612,231,200
  5. Step 5: Solve for x
    x = 28,816,236,612,231,200/213,003,211.60
  6. Step 6: Final answer
    x = 135,285,456.01

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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.