Home / 70,305,169.77-105,419,310.48-55,825,104.78

Finding the Fourth Proportional to 70,305,169.77, 105,419,310.48 and 55,825,104.78

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Solution

The fourth proportional to 70,305,169.77, 105,419,310.48 and 55,825,104.78 is: 83,707,130.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,305,169.77 : 105,419,310.48 = 55,825,104.78 : x
  2. Step 2: Convert to fraction form
    70,305,169.77/105,419,310.48 = 55,825,104.78/x
  3. Step 3: Cross multiply
    70,305,169.77x = 105,419,310.48 × 55,825,104.78
  4. Step 4: Simplify right side
    70,305,169.77x = 5,885,044,053,381,352
  5. Step 5: Solve for x
    x = 5,885,044,053,381,352/70,305,169.77
  6. Step 6: Final answer
    x = 83,707,130.96

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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.