Home / 54,917,781.86-82,505,301.26-51,815,445.81

Finding the Fourth Proportional to 54,917,781.86, 82,505,301.26 and 51,815,445.81

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Solution

The fourth proportional to 54,917,781.86, 82,505,301.26 and 51,815,445.81 is: 77,844,530.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,917,781.86 : 82,505,301.26 = 51,815,445.81 : x
  2. Step 2: Convert to fraction form
    54,917,781.86/82,505,301.26 = 51,815,445.81/x
  3. Step 3: Cross multiply
    54,917,781.86x = 82,505,301.26 × 51,815,445.81
  4. Step 4: Simplify right side
    54,917,781.86x = 4,275,048,966,216,177.50
  5. Step 5: Solve for x
    x = 4,275,048,966,216,177.50/54,917,781.86
  6. Step 6: Final answer
    x = 77,844,530.89

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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.