Home / 54,281,649.40-81,422,474.10-18,379,857.40

Finding the Fourth Proportional to 54,281,649.40, 81,422,474.10 and 18,379,857.40

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Solution

The fourth proportional to 54,281,649.40, 81,422,474.10 and 18,379,857.40 is: 27,569,786.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,281,649.40 : 81,422,474.10 = 18,379,857.40 : x
  2. Step 2: Convert to fraction form
    54,281,649.40/81,422,474.10 = 18,379,857.40/x
  3. Step 3: Cross multiply
    54,281,649.40x = 81,422,474.10 × 18,379,857.40
  4. Step 4: Simplify right side
    54,281,649.40x = 1,496,533,463,113,193
  5. Step 5: Solve for x
    x = 1,496,533,463,113,193/54,281,649.40
  6. Step 6: Final answer
    x = 27,569,786.10

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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.