Home / 54,038,640.90-81,062,944.32-17,647,221.96

Finding the Fourth Proportional to 54,038,640.90, 81,062,944.32 and 17,647,221.96

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Solution

The fourth proportional to 54,038,640.90, 81,062,944.32 and 17,647,221.96 is: 26,472,460.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,038,640.90 : 81,062,944.32 = 17,647,221.96 : x
  2. Step 2: Convert to fraction form
    54,038,640.90/81,062,944.32 = 17,647,221.96/x
  3. Step 3: Cross multiply
    54,038,640.90x = 81,062,944.32 × 17,647,221.96
  4. Step 4: Simplify right side
    54,038,640.90x = 1,430,535,771,146,161.25
  5. Step 5: Solve for x
    x = 1,430,535,771,146,161.25/54,038,640.90
  6. Step 6: Final answer
    x = 26,472,460.21

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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.