Home / 289,275,081.20-434,027,588.73-92,568,799.79

Finding the Fourth Proportional to 289,275,081.20, 434,027,588.73 and 92,568,799.79

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Solution

The fourth proportional to 289,275,081.20, 434,027,588.73 and 92,568,799.79 is: 138,889,989.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,275,081.20 : 434,027,588.73 = 92,568,799.79 : x
  2. Step 2: Convert to fraction form
    289,275,081.20/434,027,588.73 = 92,568,799.79/x
  3. Step 3: Cross multiply
    289,275,081.20x = 434,027,588.73 × 92,568,799.79
  4. Step 4: Simplify right side
    289,275,081.20x = 40,177,412,962,313,696
  5. Step 5: Solve for x
    x = 40,177,412,962,313,696/289,275,081.20
  6. Step 6: Final answer
    x = 138,889,989.41

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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.