Home / 263,813,397.76-395,723,462.10-69,723,135.28

Finding the Fourth Proportional to 263,813,397.76, 395,723,462.10 and 69,723,135.28

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Solution

The fourth proportional to 263,813,397.76, 395,723,462.10 and 69,723,135.28 is: 104,585,592.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,813,397.76 : 395,723,462.10 = 69,723,135.28 : x
  2. Step 2: Convert to fraction form
    263,813,397.76/395,723,462.10 = 69,723,135.28/x
  3. Step 3: Cross multiply
    263,813,397.76x = 395,723,462.10 × 69,723,135.28
  4. Step 4: Simplify right side
    263,813,397.76x = 27,591,080,481,468,256
  5. Step 5: Solve for x
    x = 27,591,080,481,468,256/263,813,397.76
  6. Step 6: Final answer
    x = 104,585,592.38

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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.