Home / 145,227,944.40-217,543,318.20-99,840,987.60

Finding the Fourth Proportional to 145,227,944.40, 217,543,318.20 and 99,840,987.60

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Solution

The fourth proportional to 145,227,944.40, 217,543,318.20 and 99,840,987.60 is: 149,556,201.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,227,944.40 : 217,543,318.20 = 99,840,987.60 : x
  2. Step 2: Convert to fraction form
    145,227,944.40/217,543,318.20 = 99,840,987.60/x
  3. Step 3: Cross multiply
    145,227,944.40x = 217,543,318.20 × 99,840,987.60
  4. Step 4: Simplify right side
    145,227,944.40x = 21,719,739,734,869,052
  5. Step 5: Solve for x
    x = 21,719,739,734,869,052/145,227,944.40
  6. Step 6: Final answer
    x = 149,556,201.63

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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.