Home / 126,351,862.27-189,406,716.22-53,468,383.03

Finding the Fourth Proportional to 126,351,862.27, 189,406,716.22 and 53,468,383.03

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Solution

The fourth proportional to 126,351,862.27, 189,406,716.22 and 53,468,383.03 is: 80,151,338.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,351,862.27 : 189,406,716.22 = 53,468,383.03 : x
  2. Step 2: Convert to fraction form
    126,351,862.27/189,406,716.22 = 53,468,383.03/x
  3. Step 3: Cross multiply
    126,351,862.27x = 189,406,716.22 × 53,468,383.03
  4. Step 4: Simplify right side
    126,351,862.27x = 10,127,270,851,305,474
  5. Step 5: Solve for x
    x = 10,127,270,851,305,474/126,351,862.27
  6. Step 6: Final answer
    x = 80,151,338.25

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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.