Home / 186,147,917.40-278,858,627.19-145,014,757.84

Finding the Fourth Proportional to 186,147,917.40, 278,858,627.19 and 145,014,757.84

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Solution

The fourth proportional to 186,147,917.40, 278,858,627.19 and 145,014,757.84 is: 217,239,155.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,147,917.40 : 278,858,627.19 = 145,014,757.84 : x
  2. Step 2: Convert to fraction form
    186,147,917.40/278,858,627.19 = 145,014,757.84/x
  3. Step 3: Cross multiply
    186,147,917.40x = 278,858,627.19 × 145,014,757.84
  4. Step 4: Simplify right side
    186,147,917.40x = 40,438,616,293,306,504
  5. Step 5: Solve for x
    x = 40,438,616,293,306,504/186,147,917.40
  6. Step 6: Final answer
    x = 217,239,155.07

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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.