Home / 54,435,653.40-81,653,480.10-54,057,739.80

Finding the Fourth Proportional to 54,435,653.40, 81,653,480.10 and 54,057,739.80

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Solution

The fourth proportional to 54,435,653.40, 81,653,480.10 and 54,057,739.80 is: 81,086,609.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,435,653.40 : 81,653,480.10 = 54,057,739.80 : x
  2. Step 2: Convert to fraction form
    54,435,653.40/81,653,480.10 = 54,057,739.80/x
  3. Step 3: Cross multiply
    54,435,653.40x = 81,653,480.10 × 54,057,739.80
  4. Step 4: Simplify right side
    54,435,653.40x = 4,414,002,581,010,277.50
  5. Step 5: Solve for x
    x = 4,414,002,581,010,277.50/54,435,653.40
  6. Step 6: Final answer
    x = 81,086,609.70

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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.