Home / 54,165,732-81,261,724.86-31,151,396.40

Finding the Fourth Proportional to 54,165,732, 81,261,724.86 and 31,151,396.40

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Solution

The fourth proportional to 54,165,732, 81,261,724.86 and 31,151,396.40 is: 46,734,644.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,165,732 : 81,261,724.86 = 31,151,396.40 : x
  2. Step 2: Convert to fraction form
    54,165,732/81,261,724.86 = 31,151,396.40/x
  3. Step 3: Cross multiply
    54,165,732x = 81,261,724.86 × 31,151,396.40
  4. Step 4: Simplify right side
    54,165,732x = 2,531,416,203,261,594.50
  5. Step 5: Solve for x
    x = 2,531,416,203,261,594.50/54,165,732
  6. Step 6: Final answer
    x = 46,734,644.02

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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.