Home / 268,273,233.20-402,409,849.80-76,797,009.20

Finding the Fourth Proportional to 268,273,233.20, 402,409,849.80 and 76,797,009.20

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Solution

The fourth proportional to 268,273,233.20, 402,409,849.80 and 76,797,009.20 is: 115,195,513.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,273,233.20 : 402,409,849.80 = 76,797,009.20 : x
  2. Step 2: Convert to fraction form
    268,273,233.20/402,409,849.80 = 76,797,009.20/x
  3. Step 3: Cross multiply
    268,273,233.20x = 402,409,849.80 × 76,797,009.20
  4. Step 4: Simplify right side
    268,273,233.20x = 30,903,872,937,261,220
  5. Step 5: Solve for x
    x = 30,903,872,937,261,220/268,273,233.20
  6. Step 6: Final answer
    x = 115,195,513.80

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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.