Home / 172,191,454.63-258,234,203.92-49,336,854.70

Finding the Fourth Proportional to 172,191,454.63, 258,234,203.92 and 49,336,854.70

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Solution

The fourth proportional to 172,191,454.63, 258,234,203.92 and 49,336,854.70 is: 73,990,102.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,191,454.63 : 258,234,203.92 = 49,336,854.70 : x
  2. Step 2: Convert to fraction form
    172,191,454.63/258,234,203.92 = 49,336,854.70/x
  3. Step 3: Cross multiply
    172,191,454.63x = 258,234,203.92 × 49,336,854.70
  4. Step 4: Simplify right side
    172,191,454.63x = 12,740,463,396,314,176
  5. Step 5: Solve for x
    x = 12,740,463,396,314,176/172,191,454.63
  6. Step 6: Final answer
    x = 73,990,102.61

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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.