Home / 69,869,595.62-96,420,436.94-40,518,355.23

Finding the Fourth Proportional to 69,869,595.62, 96,420,436.94 and 40,518,355.23

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Solution

The fourth proportional to 69,869,595.62, 96,420,436.94 and 40,518,355.23 is: 55,915,559.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,869,595.62 : 96,420,436.94 = 40,518,355.23 : x
  2. Step 2: Convert to fraction form
    69,869,595.62/96,420,436.94 = 40,518,355.23/x
  3. Step 3: Cross multiply
    69,869,595.62x = 96,420,436.94 × 40,518,355.23
  4. Step 4: Simplify right side
    69,869,595.62x = 3,906,797,515,468,029.50
  5. Step 5: Solve for x
    x = 3,906,797,515,468,029.50/69,869,595.62
  6. Step 6: Final answer
    x = 55,915,559.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.