Home / 186,715,465.80-280,073,198.70-132,189,619.20

Finding the Fourth Proportional to 186,715,465.80, 280,073,198.70 and 132,189,619.20

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Solution

The fourth proportional to 186,715,465.80, 280,073,198.70 and 132,189,619.20 is: 198,284,428.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,715,465.80 : 280,073,198.70 = 132,189,619.20 : x
  2. Step 2: Convert to fraction form
    186,715,465.80/280,073,198.70 = 132,189,619.20/x
  3. Step 3: Cross multiply
    186,715,465.80x = 280,073,198.70 × 132,189,619.20
  4. Step 4: Simplify right side
    186,715,465.80x = 37,022,769,484,278,936
  5. Step 5: Solve for x
    x = 37,022,769,484,278,936/186,715,465.80
  6. Step 6: Final answer
    x = 198,284,428.80

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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.