Home / 275,422,544.29-413,188,334.84-78,687,631.45

Finding the Fourth Proportional to 275,422,544.29, 413,188,334.84 and 78,687,631.45

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Solution

The fourth proportional to 275,422,544.29, 413,188,334.84 and 78,687,631.45 is: 118,047,022.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,422,544.29 : 413,188,334.84 = 78,687,631.45 : x
  2. Step 2: Convert to fraction form
    275,422,544.29/413,188,334.84 = 78,687,631.45/x
  3. Step 3: Cross multiply
    275,422,544.29x = 413,188,334.84 × 78,687,631.45
  4. Step 4: Simplify right side
    275,422,544.29x = 32,512,811,411,329,112
  5. Step 5: Solve for x
    x = 32,512,811,411,329,112/275,422,544.29
  6. Step 6: Final answer
    x = 118,047,022.97

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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.