Home / 113,190,034.86-169,820,940.78-40,405,253.22

Finding the Fourth Proportional to 113,190,034.86, 169,820,940.78 and 40,405,253.22

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Solution

The fourth proportional to 113,190,034.86, 169,820,940.78 and 40,405,253.22 is: 60,620,690.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,190,034.86 : 169,820,940.78 = 40,405,253.22 : x
  2. Step 2: Convert to fraction form
    113,190,034.86/169,820,940.78 = 40,405,253.22/x
  3. Step 3: Cross multiply
    113,190,034.86x = 169,820,940.78 × 40,405,253.22
  4. Step 4: Simplify right side
    113,190,034.86x = 6,861,658,114,274,524
  5. Step 5: Solve for x
    x = 6,861,658,114,274,524/113,190,034.86
  6. Step 6: Final answer
    x = 60,620,690.88

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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.