Home / 264,084,963.20-396,144,940.80-69,993,670.40

Finding the Fourth Proportional to 264,084,963.20, 396,144,940.80 and 69,993,670.40

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Solution

The fourth proportional to 264,084,963.20, 396,144,940.80 and 69,993,670.40 is: 104,995,142.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,084,963.20 : 396,144,940.80 = 69,993,670.40 : x
  2. Step 2: Convert to fraction form
    264,084,963.20/396,144,940.80 = 69,993,670.40/x
  3. Step 3: Cross multiply
    264,084,963.20x = 396,144,940.80 × 69,993,670.40
  4. Step 4: Simplify right side
    264,084,963.20x = 27,727,638,416,982,716
  5. Step 5: Solve for x
    x = 27,727,638,416,982,716/264,084,963.20
  6. Step 6: Final answer
    x = 104,995,142.78

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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.