Home / 172,393,088.60-258,715,604.10-121,374,752.60

Finding the Fourth Proportional to 172,393,088.60, 258,715,604.10 and 121,374,752.60

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Solution

The fourth proportional to 172,393,088.60, 258,715,604.10 and 121,374,752.60 is: 182,150,819.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,393,088.60 : 258,715,604.10 = 121,374,752.60 : x
  2. Step 2: Convert to fraction form
    172,393,088.60/258,715,604.10 = 121,374,752.60/x
  3. Step 3: Cross multiply
    172,393,088.60x = 258,715,604.10 × 121,374,752.60
  4. Step 4: Simplify right side
    172,393,088.60x = 31,401,542,441,397,044
  5. Step 5: Solve for x
    x = 31,401,542,441,397,044/172,393,088.60
  6. Step 6: Final answer
    x = 182,150,819.95

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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.