Home / 54,404,801.40-81,651,816.90-53,979,648.60

Finding the Fourth Proportional to 54,404,801.40, 81,651,816.90 and 53,979,648.60

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Solution

The fourth proportional to 54,404,801.40, 81,651,816.90 and 53,979,648.60 is: 81,013,739.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,404,801.40 : 81,651,816.90 = 53,979,648.60 : x
  2. Step 2: Convert to fraction form
    54,404,801.40/81,651,816.90 = 53,979,648.60/x
  3. Step 3: Cross multiply
    54,404,801.40x = 81,651,816.90 × 53,979,648.60
  4. Step 4: Simplify right side
    54,404,801.40x = 4,407,536,383,813,542
  5. Step 5: Solve for x
    x = 4,407,536,383,813,542/54,404,801.40
  6. Step 6: Final answer
    x = 81,013,739.05

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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.