Home / 68,965,870.45-103,331,736.78-41,614,689.55

Finding the Fourth Proportional to 68,965,870.45, 103,331,736.78 and 41,614,689.55

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Solution

The fourth proportional to 68,965,870.45, 103,331,736.78 and 41,614,689.55 is: 62,351,393.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,965,870.45 : 103,331,736.78 = 41,614,689.55 : x
  2. Step 2: Convert to fraction form
    68,965,870.45/103,331,736.78 = 41,614,689.55/x
  3. Step 3: Cross multiply
    68,965,870.45x = 103,331,736.78 × 41,614,689.55
  4. Step 4: Simplify right side
    68,965,870.45x = 4,300,118,146,658,316.50
  5. Step 5: Solve for x
    x = 4,300,118,146,658,316.50/68,965,870.45
  6. Step 6: Final answer
    x = 62,351,393.79

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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.