Home / 126,016,696.80-189,025,045.20-74,148,055.20

Finding the Fourth Proportional to 126,016,696.80, 189,025,045.20 and 74,148,055.20

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Solution

The fourth proportional to 126,016,696.80, 189,025,045.20 and 74,148,055.20 is: 111,222,082.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,016,696.80 : 189,025,045.20 = 74,148,055.20 : x
  2. Step 2: Convert to fraction form
    126,016,696.80/189,025,045.20 = 74,148,055.20/x
  3. Step 3: Cross multiply
    126,016,696.80x = 189,025,045.20 × 74,148,055.20
  4. Step 4: Simplify right side
    126,016,696.80x = 14,015,839,485,672,094
  5. Step 5: Solve for x
    x = 14,015,839,485,672,094/126,016,696.80
  6. Step 6: Final answer
    x = 111,222,082.80

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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.