Home / 54,435,637.80-81,653,456.70-20,349,930.60

Finding the Fourth Proportional to 54,435,637.80, 81,653,456.70 and 20,349,930.60

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Solution

The fourth proportional to 54,435,637.80, 81,653,456.70 and 20,349,930.60 is: 30,524,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,435,637.80 : 81,653,456.70 = 20,349,930.60 : x
  2. Step 2: Convert to fraction form
    54,435,637.80/81,653,456.70 = 20,349,930.60/x
  3. Step 3: Cross multiply
    54,435,637.80x = 81,653,456.70 × 20,349,930.60
  4. Step 4: Simplify right side
    54,435,637.80x = 1,661,642,177,095,105.25
  5. Step 5: Solve for x
    x = 1,661,642,177,095,105.25/54,435,637.80
  6. Step 6: Final answer
    x = 30,524,895.90

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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.