Home / 54,252,823.30-81,379,234.95-20,167,116.10

Finding the Fourth Proportional to 54,252,823.30, 81,379,234.95 and 20,167,116.10

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Solution

The fourth proportional to 54,252,823.30, 81,379,234.95 and 20,167,116.10 is: 30,250,674.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,252,823.30 : 81,379,234.95 = 20,167,116.10 : x
  2. Step 2: Convert to fraction form
    54,252,823.30/81,379,234.95 = 20,167,116.10/x
  3. Step 3: Cross multiply
    54,252,823.30x = 81,379,234.95 × 20,167,116.10
  4. Step 4: Simplify right side
    54,252,823.30x = 1,641,184,479,365,828
  5. Step 5: Solve for x
    x = 1,641,184,479,365,828/54,252,823.30
  6. Step 6: Final answer
    x = 30,250,674.15

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1.5x scale

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.