Home / 83,585,351.36-125,320,788.96-42,565,387.52

Finding the Fourth Proportional to 83,585,351.36, 125,320,788.96 and 42,565,387.52

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Solution

The fourth proportional to 83,585,351.36, 125,320,788.96 and 42,565,387.52 is: 63,818,933.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,585,351.36 : 125,320,788.96 = 42,565,387.52 : x
  2. Step 2: Convert to fraction form
    83,585,351.36/125,320,788.96 = 42,565,387.52/x
  3. Step 3: Cross multiply
    83,585,351.36x = 125,320,788.96 × 42,565,387.52
  4. Step 4: Simplify right side
    83,585,351.36x = 5,334,327,946,394,538
  5. Step 5: Solve for x
    x = 5,334,327,946,394,538/83,585,351.36
  6. Step 6: Final answer
    x = 63,818,933.10

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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.