Home / 57,608,077.65-86,420,711.38-21,213,671.19

Finding the Fourth Proportional to 57,608,077.65, 86,420,711.38 and 21,213,671.19

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Solution

The fourth proportional to 57,608,077.65, 86,420,711.38 and 21,213,671.19 is: 31,823,671.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,608,077.65 : 86,420,711.38 = 21,213,671.19 : x
  2. Step 2: Convert to fraction form
    57,608,077.65/86,420,711.38 = 21,213,671.19/x
  3. Step 3: Cross multiply
    57,608,077.65x = 86,420,711.38 × 21,213,671.19
  4. Step 4: Simplify right side
    57,608,077.65x = 1,833,300,555,221,211.25
  5. Step 5: Solve for x
    x = 1,833,300,555,221,211.25/57,608,077.65
  6. Step 6: Final answer
    x = 31,823,671.78

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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.