Home / 105,918,469.80-158,877,471.24-28,195,391.24

Finding the Fourth Proportional to 105,918,469.80, 158,877,471.24 and 28,195,391.24

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Solution

The fourth proportional to 105,918,469.80, 158,877,471.24 and 28,195,391.24 is: 42,293,024.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,918,469.80 : 158,877,471.24 = 28,195,391.24 : x
  2. Step 2: Convert to fraction form
    105,918,469.80/158,877,471.24 = 28,195,391.24/x
  3. Step 3: Cross multiply
    105,918,469.80x = 158,877,471.24 × 28,195,391.24
  4. Step 4: Simplify right side
    105,918,469.80x = 4,479,612,460,833,648
  5. Step 5: Solve for x
    x = 4,479,612,460,833,648/105,918,469.80
  6. Step 6: Final answer
    x = 42,293,024.71

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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.