Home / 129,485,418.60-194,062,790.70-52,721,718.60

Finding the Fourth Proportional to 129,485,418.60, 194,062,790.70 and 52,721,718.60

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Solution

The fourth proportional to 129,485,418.60, 194,062,790.70 and 52,721,718.60 is: 79,015,258.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,485,418.60 : 194,062,790.70 = 52,721,718.60 : x
  2. Step 2: Convert to fraction form
    129,485,418.60/194,062,790.70 = 52,721,718.60/x
  3. Step 3: Cross multiply
    129,485,418.60x = 194,062,790.70 × 52,721,718.60
  4. Step 4: Simplify right side
    129,485,418.60x = 10,231,323,842,016,096
  5. Step 5: Solve for x
    x = 10,231,323,842,016,096/129,485,418.60
  6. Step 6: Final answer
    x = 79,015,258.65

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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.