Home / 157,278,563.97-235,917,641.82-42,263,108.88

Finding the Fourth Proportional to 157,278,563.97, 235,917,641.82 and 42,263,108.88

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Solution

The fourth proportional to 157,278,563.97, 235,917,641.82 and 42,263,108.88 is: 63,394,608.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,278,563.97 : 235,917,641.82 = 42,263,108.88 : x
  2. Step 2: Convert to fraction form
    157,278,563.97/235,917,641.82 = 42,263,108.88/x
  3. Step 3: Cross multiply
    157,278,563.97x = 235,917,641.82 × 42,263,108.88
  4. Step 4: Simplify right side
    157,278,563.97x = 9,970,612,982,951,502
  5. Step 5: Solve for x
    x = 9,970,612,982,951,502/157,278,563.97
  6. Step 6: Final answer
    x = 63,394,608.47

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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.