Home / 68,703,811.92-103,055,652.12-17,585,748.72

Finding the Fourth Proportional to 68,703,811.92, 103,055,652.12 and 17,585,748.72

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Solution

The fourth proportional to 68,703,811.92, 103,055,652.12 and 17,585,748.72 is: 26,378,606.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,703,811.92 : 103,055,652.12 = 17,585,748.72 : x
  2. Step 2: Convert to fraction form
    68,703,811.92/103,055,652.12 = 17,585,748.72/x
  3. Step 3: Cross multiply
    68,703,811.92x = 103,055,652.12 × 17,585,748.72
  4. Step 4: Simplify right side
    68,703,811.92x = 1,812,310,802,358,055.25
  5. Step 5: Solve for x
    x = 1,812,310,802,358,055.25/68,703,811.92
  6. Step 6: Final answer
    x = 26,378,606.25

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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.