Home / 209,471,719.26-314,216,422.38-61,919,616.75

Finding the Fourth Proportional to 209,471,719.26, 314,216,422.38 and 61,919,616.75

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Solution

The fourth proportional to 209,471,719.26, 314,216,422.38 and 61,919,616.75 is: 92,882,039.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,471,719.26 : 314,216,422.38 = 61,919,616.75 : x
  2. Step 2: Convert to fraction form
    209,471,719.26/314,216,422.38 = 61,919,616.75/x
  3. Step 3: Cross multiply
    209,471,719.26x = 314,216,422.38 × 61,919,616.75
  4. Step 4: Simplify right side
    209,471,719.26x = 19,456,160,450,325,724
  5. Step 5: Solve for x
    x = 19,456,160,450,325,724/209,471,719.26
  6. Step 6: Final answer
    x = 92,882,039.25

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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.