Home / 54,281,656.90-81,422,485.35-18,379,864.90

Finding the Fourth Proportional to 54,281,656.90, 81,422,485.35 and 18,379,864.90

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Solution

The fourth proportional to 54,281,656.90, 81,422,485.35 and 18,379,864.90 is: 27,569,797.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,281,656.90 : 81,422,485.35 = 18,379,864.90 : x
  2. Step 2: Convert to fraction form
    54,281,656.90/81,422,485.35 = 18,379,864.90/x
  3. Step 3: Cross multiply
    54,281,656.90x = 81,422,485.35 × 18,379,864.90
  4. Step 4: Simplify right side
    54,281,656.90x = 1,496,534,280,555,229
  5. Step 5: Solve for x
    x = 1,496,534,280,555,229/54,281,656.90
  6. Step 6: Final answer
    x = 27,569,797.35

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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.