Home / 240,370,394.40-360,933,505.20-138,333,722.40

Finding the Fourth Proportional to 240,370,394.40, 360,933,505.20 and 138,333,722.40

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Solution

The fourth proportional to 240,370,394.40, 360,933,505.20 and 138,333,722.40 is: 207,718,073.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,370,394.40 : 360,933,505.20 = 138,333,722.40 : x
  2. Step 2: Convert to fraction form
    240,370,394.40/360,933,505.20 = 138,333,722.40/x
  3. Step 3: Cross multiply
    240,370,394.40x = 360,933,505.20 × 138,333,722.40
  4. Step 4: Simplify right side
    240,370,394.40x = 49,929,275,313,195,760
  5. Step 5: Solve for x
    x = 49,929,275,313,195,760/240,370,394.40
  6. Step 6: Final answer
    x = 207,718,073.76

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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.