Home / 268,228,004.20-402,023,141.70-240,805,648.60

Finding the Fourth Proportional to 268,228,004.20, 402,023,141.70 and 240,805,648.60

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Solution

The fourth proportional to 268,228,004.20, 402,023,141.70 and 240,805,648.60 is: 360,922,207.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,228,004.20 : 402,023,141.70 = 240,805,648.60 : x
  2. Step 2: Convert to fraction form
    268,228,004.20/402,023,141.70 = 240,805,648.60/x
  3. Step 3: Cross multiply
    268,228,004.20x = 402,023,141.70 × 240,805,648.60
  4. Step 4: Simplify right side
    268,228,004.20x = 96,809,443,389,278,208
  5. Step 5: Solve for x
    x = 96,809,443,389,278,208/268,228,004.20
  6. Step 6: Final answer
    x = 360,922,207.50

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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.