Home / 78,040,620.43-107,702,669.68-43,244,225.71

Finding the Fourth Proportional to 78,040,620.43, 107,702,669.68 and 43,244,225.71

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Solution

The fourth proportional to 78,040,620.43, 107,702,669.68 and 43,244,225.71 is: 59,680,696.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,040,620.43 : 107,702,669.68 = 43,244,225.71 : x
  2. Step 2: Convert to fraction form
    78,040,620.43/107,702,669.68 = 43,244,225.71/x
  3. Step 3: Cross multiply
    78,040,620.43x = 107,702,669.68 × 43,244,225.71
  4. Step 4: Simplify right side
    78,040,620.43x = 4,657,518,557,211,494
  5. Step 5: Solve for x
    x = 4,657,518,557,211,494/78,040,620.43
  6. Step 6: Final answer
    x = 59,680,696.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.