Home / 264,204,908.70-396,307,363.05-172,371,903.90

Finding the Fourth Proportional to 264,204,908.70, 396,307,363.05 and 172,371,903.90

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Solution

The fourth proportional to 264,204,908.70, 396,307,363.05 and 172,371,903.90 is: 258,557,855.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,204,908.70 : 396,307,363.05 = 172,371,903.90 : x
  2. Step 2: Convert to fraction form
    264,204,908.70/396,307,363.05 = 172,371,903.90/x
  3. Step 3: Cross multiply
    264,204,908.70x = 396,307,363.05 × 172,371,903.90
  4. Step 4: Simplify right side
    264,204,908.70x = 68,312,254,698,517,016
  5. Step 5: Solve for x
    x = 68,312,254,698,517,016/264,204,908.70
  6. Step 6: Final answer
    x = 258,557,855.85

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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.