Home / 172,414,213.60-258,621,320.40-153,707,490.40

Finding the Fourth Proportional to 172,414,213.60, 258,621,320.40 and 153,707,490.40

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Solution

The fourth proportional to 172,414,213.60, 258,621,320.40 and 153,707,490.40 is: 230,561,235.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,414,213.60 : 258,621,320.40 = 153,707,490.40 : x
  2. Step 2: Convert to fraction form
    172,414,213.60/258,621,320.40 = 153,707,490.40/x
  3. Step 3: Cross multiply
    172,414,213.60x = 258,621,320.40 × 153,707,490.40
  4. Step 4: Simplify right side
    172,414,213.60x = 39,752,034,122,618,328
  5. Step 5: Solve for x
    x = 39,752,034,122,618,328/172,414,213.60
  6. Step 6: Final answer
    x = 230,561,235.60

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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.