Home / 38,685,221.10-57,943,850.85-31,966,757.10

Finding the Fourth Proportional to 38,685,221.10, 57,943,850.85 and 31,966,757.10

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Solution

The fourth proportional to 38,685,221.10, 57,943,850.85 and 31,966,757.10 is: 47,880,739.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,685,221.10 : 57,943,850.85 = 31,966,757.10 : x
  2. Step 2: Convert to fraction form
    38,685,221.10/57,943,850.85 = 31,966,757.10/x
  3. Step 3: Cross multiply
    38,685,221.10x = 57,943,850.85 × 31,966,757.10
  4. Step 4: Simplify right side
    38,685,221.10x = 1,852,277,005,560,578.75
  5. Step 5: Solve for x
    x = 1,852,277,005,560,578.75/38,685,221.10
  6. Step 6: Final answer
    x = 47,880,739.80

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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.