Home / 129,085,380.62-193,669,003.12-46,085,352.48

Finding the Fourth Proportional to 129,085,380.62, 193,669,003.12 and 46,085,352.48

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Solution

The fourth proportional to 129,085,380.62, 193,669,003.12 and 46,085,352.48 is: 69,142,642.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,085,380.62 : 193,669,003.12 = 46,085,352.48 : x
  2. Step 2: Convert to fraction form
    129,085,380.62/193,669,003.12 = 46,085,352.48/x
  3. Step 3: Cross multiply
    129,085,380.62x = 193,669,003.12 × 46,085,352.48
  4. Step 4: Simplify right side
    129,085,380.62x = 8,925,304,273,235,419
  5. Step 5: Solve for x
    x = 8,925,304,273,235,419/129,085,380.62
  6. Step 6: Final answer
    x = 69,142,642.11

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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.