Home / 54,038,631.12-81,062,929.71-17,647,212.21

Finding the Fourth Proportional to 54,038,631.12, 81,062,929.71 and 17,647,212.21

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Solution

The fourth proportional to 54,038,631.12, 81,062,929.71 and 17,647,212.21 is: 26,472,445.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,038,631.12 : 81,062,929.71 = 17,647,212.21 : x
  2. Step 2: Convert to fraction form
    54,038,631.12/81,062,929.71 = 17,647,212.21/x
  3. Step 3: Cross multiply
    54,038,631.12x = 81,062,929.71 × 17,647,212.21
  4. Step 4: Simplify right side
    54,038,631.12x = 1,430,534,722,956,683.75
  5. Step 5: Solve for x
    x = 1,430,534,722,956,683.75/54,038,631.12
  6. Step 6: Final answer
    x = 26,472,445.61

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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.