Home / 147,094,845.68-203,000,105.84-81,015,330.80

Finding the Fourth Proportional to 147,094,845.68, 203,000,105.84 and 81,015,330.80

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Solution

The fourth proportional to 147,094,845.68, 203,000,105.84 and 81,015,330.80 is: 111,806,233.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,094,845.68 : 203,000,105.84 = 81,015,330.80 : x
  2. Step 2: Convert to fraction form
    147,094,845.68/203,000,105.84 = 81,015,330.80/x
  3. Step 3: Cross multiply
    147,094,845.68x = 203,000,105.84 × 81,015,330.80
  4. Step 4: Simplify right side
    147,094,845.68x = 16,446,120,727,062,612
  5. Step 5: Solve for x
    x = 16,446,120,727,062,612/147,094,845.68
  6. Step 6: Final answer
    x = 111,806,233.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.