Home / 157,278,561.97-235,917,638.82-42,263,106.88

Finding the Fourth Proportional to 157,278,561.97, 235,917,638.82 and 42,263,106.88

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Solution

The fourth proportional to 157,278,561.97, 235,917,638.82 and 42,263,106.88 is: 63,394,605.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,278,561.97 : 235,917,638.82 = 42,263,106.88 : x
  2. Step 2: Convert to fraction form
    157,278,561.97/235,917,638.82 = 42,263,106.88/x
  3. Step 3: Cross multiply
    157,278,561.97x = 235,917,638.82 × 42,263,106.88
  4. Step 4: Simplify right side
    157,278,561.97x = 9,970,612,384,326,898
  5. Step 5: Solve for x
    x = 9,970,612,384,326,898/157,278,561.97
  6. Step 6: Final answer
    x = 63,394,605.47

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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.