Home / 240,327,422.40-360,470,138.40-78,769,358.40

Finding the Fourth Proportional to 240,327,422.40, 360,470,138.40 and 78,769,358.40

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Solution

The fourth proportional to 240,327,422.40, 360,470,138.40 and 78,769,358.40 is: 118,147,156.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,327,422.40 : 360,470,138.40 = 78,769,358.40 : x
  2. Step 2: Convert to fraction form
    240,327,422.40/360,470,138.40 = 78,769,358.40/x
  3. Step 3: Cross multiply
    240,327,422.40x = 360,470,138.40 × 78,769,358.40
  4. Step 4: Simplify right side
    240,327,422.40x = 28,394,001,524,127,204
  5. Step 5: Solve for x
    x = 28,394,001,524,127,204/240,327,422.40
  6. Step 6: Final answer
    x = 118,147,156.24

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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.