Home / 172,393,086.60-258,715,601.10-121,374,750.60

Finding the Fourth Proportional to 172,393,086.60, 258,715,601.10 and 121,374,750.60

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Solution

The fourth proportional to 172,393,086.60, 258,715,601.10 and 121,374,750.60 is: 182,150,816.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,393,086.60 : 258,715,601.10 = 121,374,750.60 : x
  2. Step 2: Convert to fraction form
    172,393,086.60/258,715,601.10 = 121,374,750.60/x
  3. Step 3: Cross multiply
    172,393,086.60x = 258,715,601.10 × 121,374,750.60
  4. Step 4: Simplify right side
    172,393,086.60x = 31,401,541,559,841,584
  5. Step 5: Solve for x
    x = 31,401,541,559,841,584/172,393,086.60
  6. Step 6: Final answer
    x = 182,150,816.94

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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.