Home / 186,753,080.71-280,226,570.12-76,169,879.87

Finding the Fourth Proportional to 186,753,080.71, 280,226,570.12 and 76,169,879.87

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Solution

The fourth proportional to 186,753,080.71, 280,226,570.12 and 76,169,879.87 is: 114,294,361.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,753,080.71 : 280,226,570.12 = 76,169,879.87 : x
  2. Step 2: Convert to fraction form
    186,753,080.71/280,226,570.12 = 76,169,879.87/x
  3. Step 3: Cross multiply
    186,753,080.71x = 280,226,570.12 × 76,169,879.87
  4. Step 4: Simplify right side
    186,753,080.71x = 21,344,824,183,027,884
  5. Step 5: Solve for x
    x = 21,344,824,183,027,884/186,753,080.71
  6. Step 6: Final answer
    x = 114,294,361.85

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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.