Home / 113,162,675.76-169,745,199.48-90,587,081.52

Finding the Fourth Proportional to 113,162,675.76, 169,745,199.48 and 90,587,081.52

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Solution

The fourth proportional to 113,162,675.76, 169,745,199.48 and 90,587,081.52 is: 135,881,571.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,162,675.76 : 169,745,199.48 = 90,587,081.52 : x
  2. Step 2: Convert to fraction form
    113,162,675.76/169,745,199.48 = 90,587,081.52/x
  3. Step 3: Cross multiply
    113,162,675.76x = 169,745,199.48 × 90,587,081.52
  4. Step 4: Simplify right side
    113,162,675.76x = 15,376,722,222,923,420
  5. Step 5: Solve for x
    x = 15,376,722,222,923,420/113,162,675.76
  6. Step 6: Final answer
    x = 135,881,571.55

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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.