Home / 54,252,821.80-81,379,232.70-20,167,114.60

Finding the Fourth Proportional to 54,252,821.80, 81,379,232.70 and 20,167,114.60

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Solution

The fourth proportional to 54,252,821.80, 81,379,232.70 and 20,167,114.60 is: 30,250,671.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,252,821.80 : 81,379,232.70 = 20,167,114.60 : x
  2. Step 2: Convert to fraction form
    54,252,821.80/81,379,232.70 = 20,167,114.60/x
  3. Step 3: Cross multiply
    54,252,821.80x = 81,379,232.70 × 20,167,114.60
  4. Step 4: Simplify right side
    54,252,821.80x = 1,641,184,311,920,967.50
  5. Step 5: Solve for x
    x = 1,641,184,311,920,967.50/54,252,821.80
  6. Step 6: Final answer
    x = 30,250,671.90

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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.