Home / 54,404,796.40-81,651,809.40-53,979,643.60

Finding the Fourth Proportional to 54,404,796.40, 81,651,809.40 and 53,979,643.60

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Solution

The fourth proportional to 54,404,796.40, 81,651,809.40 and 53,979,643.60 is: 81,013,731.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,404,796.40 : 81,651,809.40 = 53,979,643.60 : x
  2. Step 2: Convert to fraction form
    54,404,796.40/81,651,809.40 = 53,979,643.60/x
  3. Step 3: Cross multiply
    54,404,796.40x = 81,651,809.40 × 53,979,643.60
  4. Step 4: Simplify right side
    54,404,796.40x = 4,407,535,570,707,130.50
  5. Step 5: Solve for x
    x = 4,407,535,570,707,130.50/54,404,796.40
  6. Step 6: Final answer
    x = 81,013,731.55

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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.