Home / 264,204,755.20-396,307,132.80-172,371,750.40

Finding the Fourth Proportional to 264,204,755.20, 396,307,132.80 and 172,371,750.40

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Solution

The fourth proportional to 264,204,755.20, 396,307,132.80 and 172,371,750.40 is: 258,557,625.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,204,755.20 : 396,307,132.80 = 172,371,750.40 : x
  2. Step 2: Convert to fraction form
    264,204,755.20/396,307,132.80 = 172,371,750.40/x
  3. Step 3: Cross multiply
    264,204,755.20x = 396,307,132.80 × 172,371,750.40
  4. Step 4: Simplify right side
    264,204,755.20x = 68,312,154,176,741,256
  5. Step 5: Solve for x
    x = 68,312,154,176,741,256/264,204,755.20
  6. Step 6: Final answer
    x = 258,557,625.60

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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.