Home / 186,940,575.15-280,160,207.19-145,491,498.69

Finding the Fourth Proportional to 186,940,575.15, 280,160,207.19 and 145,491,498.69

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Solution

The fourth proportional to 186,940,575.15, 280,160,207.19 and 145,491,498.69 is: 218,042,168.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,940,575.15 : 280,160,207.19 = 145,491,498.69 : x
  2. Step 2: Convert to fraction form
    186,940,575.15/280,160,207.19 = 145,491,498.69/x
  3. Step 3: Cross multiply
    186,940,575.15x = 280,160,207.19 × 145,491,498.69
  4. Step 4: Simplify right side
    186,940,575.15x = 40,760,928,417,374,016
  5. Step 5: Solve for x
    x = 40,760,928,417,374,016/186,940,575.15
  6. Step 6: Final answer
    x = 218,042,168.67

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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.