Home / 275,228,643.60-379,760,470.92-157,790,811.60

Finding the Fourth Proportional to 275,228,643.60, 379,760,470.92 and 157,790,811.60

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Solution

The fourth proportional to 275,228,643.60, 379,760,470.92 and 157,790,811.60 is: 217,719,755.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,228,643.60 : 379,760,470.92 = 157,790,811.60 : x
  2. Step 2: Convert to fraction form
    275,228,643.60/379,760,470.92 = 157,790,811.60/x
  3. Step 3: Cross multiply
    275,228,643.60x = 379,760,470.92 × 157,790,811.60
  4. Step 4: Simplify right side
    275,228,643.60x = 59,922,712,920,065,000
  5. Step 5: Solve for x
    x = 59,922,712,920,065,000/275,228,643.60
  6. Step 6: Final answer
    x = 217,719,755.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.