Home / 165,100,178.14-247,718,151.78-72,935,274.22

Finding the Fourth Proportional to 165,100,178.14, 247,718,151.78 and 72,935,274.22

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Solution

The fourth proportional to 165,100,178.14, 247,718,151.78 and 72,935,274.22 is: 109,432,900.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,100,178.14 : 247,718,151.78 = 72,935,274.22 : x
  2. Step 2: Convert to fraction form
    165,100,178.14/247,718,151.78 = 72,935,274.22/x
  3. Step 3: Cross multiply
    165,100,178.14x = 247,718,151.78 × 72,935,274.22
  4. Step 4: Simplify right side
    165,100,178.14x = 18,067,391,329,345,880
  5. Step 5: Solve for x
    x = 18,067,391,329,345,880/165,100,178.14
  6. Step 6: Final answer
    x = 109,432,900.27

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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.