Home / 54,917,781.36-82,505,300.51-51,815,445.31

Finding the Fourth Proportional to 54,917,781.36, 82,505,300.51 and 51,815,445.31

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Solution

The fourth proportional to 54,917,781.36, 82,505,300.51 and 51,815,445.31 is: 77,844,530.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,917,781.36 : 82,505,300.51 = 51,815,445.31 : x
  2. Step 2: Convert to fraction form
    54,917,781.36/82,505,300.51 = 51,815,445.31/x
  3. Step 3: Cross multiply
    54,917,781.36x = 82,505,300.51 × 51,815,445.31
  4. Step 4: Simplify right side
    54,917,781.36x = 4,275,048,886,361,020.50
  5. Step 5: Solve for x
    x = 4,275,048,886,361,020.50/54,917,781.36
  6. Step 6: Final answer
    x = 77,844,530.14

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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.