Home / 186,940,564.64-280,160,191.44-145,491,488.18

Finding the Fourth Proportional to 186,940,564.64, 280,160,191.44 and 145,491,488.18

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Solution

The fourth proportional to 186,940,564.64, 280,160,191.44 and 145,491,488.18 is: 218,042,152.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,940,564.64 : 280,160,191.44 = 145,491,488.18 : x
  2. Step 2: Convert to fraction form
    186,940,564.64/280,160,191.44 = 145,491,488.18/x
  3. Step 3: Cross multiply
    186,940,564.64x = 280,160,191.44 × 145,491,488.18
  4. Step 4: Simplify right side
    186,940,564.64x = 40,760,923,181,399,296
  5. Step 5: Solve for x
    x = 40,760,923,181,399,296/186,940,564.64
  6. Step 6: Final answer
    x = 218,042,152.92

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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.