Home / 126,839,465.29-175,035,485.03-74,631,882.43

Finding the Fourth Proportional to 126,839,465.29, 175,035,485.03 and 74,631,882.43

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Solution

The fourth proportional to 126,839,465.29, 175,035,485.03 and 74,631,882.43 is: 102,990,246.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,839,465.29 : 175,035,485.03 = 74,631,882.43 : x
  2. Step 2: Convert to fraction form
    126,839,465.29/175,035,485.03 = 74,631,882.43/x
  3. Step 3: Cross multiply
    126,839,465.29x = 175,035,485.03 × 74,631,882.43
  4. Step 4: Simplify right side
    126,839,465.29x = 13,063,227,739,836,986
  5. Step 5: Solve for x
    x = 13,063,227,739,836,986/126,839,465.29
  6. Step 6: Final answer
    x = 102,990,246.06

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