Home / 54,404,816.40-81,651,839.40-53,979,663.60

Finding the Fourth Proportional to 54,404,816.40, 81,651,839.40 and 53,979,663.60

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Solution

The fourth proportional to 54,404,816.40, 81,651,839.40 and 53,979,663.60 is: 81,013,761.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,404,816.40 : 81,651,839.40 = 53,979,663.60 : x
  2. Step 2: Convert to fraction form
    54,404,816.40/81,651,839.40 = 53,979,663.60/x
  3. Step 3: Cross multiply
    54,404,816.40x = 81,651,839.40 × 53,979,663.60
  4. Step 4: Simplify right side
    54,404,816.40x = 4,407,538,823,133,226.50
  5. Step 5: Solve for x
    x = 4,407,538,823,133,226.50/54,404,816.40
  6. Step 6: Final answer
    x = 81,013,761.55

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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.