Home / 54,909,693.64-82,364,171.10-13,968,781.48

Finding the Fourth Proportional to 54,909,693.64, 82,364,171.10 and 13,968,781.48

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Solution

The fourth proportional to 54,909,693.64, 82,364,171.10 and 13,968,781.48 is: 20,953,078.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,909,693.64 : 82,364,171.10 = 13,968,781.48 : x
  2. Step 2: Convert to fraction form
    54,909,693.64/82,364,171.10 = 13,968,781.48/x
  3. Step 3: Cross multiply
    54,909,693.64x = 82,364,171.10 × 13,968,781.48
  4. Step 4: Simplify right side
    54,909,693.64x = 1,150,527,107,877,231.25
  5. Step 5: Solve for x
    x = 1,150,527,107,877,231.25/54,909,693.64
  6. Step 6: Final answer
    x = 20,953,078.26

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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.