Home / 112,923,047.73-169,392,667.68-47,278,126.80

Finding the Fourth Proportional to 112,923,047.73, 169,392,667.68 and 47,278,126.80

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Solution

The fourth proportional to 112,923,047.73, 169,392,667.68 and 47,278,126.80 is: 70,920,579.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,923,047.73 : 169,392,667.68 = 47,278,126.80 : x
  2. Step 2: Convert to fraction form
    112,923,047.73/169,392,667.68 = 47,278,126.80/x
  3. Step 3: Cross multiply
    112,923,047.73x = 169,392,667.68 × 47,278,126.80
  4. Step 4: Simplify right side
    112,923,047.73x = 8,008,568,021,565,302
  5. Step 5: Solve for x
    x = 8,008,568,021,565,302/112,923,047.73
  6. Step 6: Final answer
    x = 70,920,579.83

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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.