Home / 149,287,279.80-223,930,919.70-123,778,111.80

Finding the Fourth Proportional to 149,287,279.80, 223,930,919.70 and 123,778,111.80

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Solution

The fourth proportional to 149,287,279.80, 223,930,919.70 and 123,778,111.80 is: 185,667,167.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,287,279.80 : 223,930,919.70 = 123,778,111.80 : x
  2. Step 2: Convert to fraction form
    149,287,279.80/223,930,919.70 = 123,778,111.80/x
  3. Step 3: Cross multiply
    149,287,279.80x = 223,930,919.70 × 123,778,111.80
  4. Step 4: Simplify right side
    149,287,279.80x = 27,717,746,414,103,420
  5. Step 5: Solve for x
    x = 27,717,746,414,103,420/149,287,279.80
  6. Step 6: Final answer
    x = 185,667,167.70

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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.