Home / 69,568,045.20-104,352,067.80-61,915,294.80

Finding the Fourth Proportional to 69,568,045.20, 104,352,067.80 and 61,915,294.80

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Solution

The fourth proportional to 69,568,045.20, 104,352,067.80 and 61,915,294.80 is: 92,872,942.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,568,045.20 : 104,352,067.80 = 61,915,294.80 : x
  2. Step 2: Convert to fraction form
    69,568,045.20/104,352,067.80 = 61,915,294.80/x
  3. Step 3: Cross multiply
    69,568,045.20x = 104,352,067.80 × 61,915,294.80
  4. Step 4: Simplify right side
    69,568,045.20x = 6,460,989,040,826,587
  5. Step 5: Solve for x
    x = 6,460,989,040,826,587/69,568,045.20
  6. Step 6: Final answer
    x = 92,872,942.20

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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.