Home / 143,769,499.20-215,654,248.80-118,260,331.20

Finding the Fourth Proportional to 143,769,499.20, 215,654,248.80 and 118,260,331.20

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Solution

The fourth proportional to 143,769,499.20, 215,654,248.80 and 118,260,331.20 is: 177,390,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,769,499.20 : 215,654,248.80 = 118,260,331.20 : x
  2. Step 2: Convert to fraction form
    143,769,499.20/215,654,248.80 = 118,260,331.20/x
  3. Step 3: Cross multiply
    143,769,499.20x = 215,654,248.80 × 118,260,331.20
  4. Step 4: Simplify right side
    143,769,499.20x = 25,503,342,887,775,204
  5. Step 5: Solve for x
    x = 25,503,342,887,775,204/143,769,499.20
  6. Step 6: Final answer
    x = 177,390,496.80

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1.5x scale

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.