Home / 67,292,808.38-100,940,013.57-18,767,709.79

Finding the Fourth Proportional to 67,292,808.38, 100,940,013.57 and 18,767,709.79

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Solution

The fourth proportional to 67,292,808.38, 100,940,013.57 and 18,767,709.79 is: 28,151,788.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,292,808.38 : 100,940,013.57 = 18,767,709.79 : x
  2. Step 2: Convert to fraction form
    67,292,808.38/100,940,013.57 = 18,767,709.79/x
  3. Step 3: Cross multiply
    67,292,808.38x = 100,940,013.57 × 18,767,709.79
  4. Step 4: Simplify right side
    67,292,808.38x = 1,894,412,880,698,451
  5. Step 5: Solve for x
    x = 1,894,412,880,698,451/67,292,808.38
  6. Step 6: Final answer
    x = 28,151,788.08

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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.