Home / 54,389,971.80-81,396,000.90-49,855,008.60

Finding the Fourth Proportional to 54,389,971.80, 81,396,000.90 and 49,855,008.60

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Solution

The fourth proportional to 54,389,971.80, 81,396,000.90 and 49,855,008.60 is: 74,609,311.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,389,971.80 : 81,396,000.90 = 49,855,008.60 : x
  2. Step 2: Convert to fraction form
    54,389,971.80/81,396,000.90 = 49,855,008.60/x
  3. Step 3: Cross multiply
    54,389,971.80x = 81,396,000.90 × 49,855,008.60
  4. Step 4: Simplify right side
    54,389,971.80x = 4,057,998,324,875,108
  5. Step 5: Solve for x
    x = 4,057,998,324,875,108/54,389,971.80
  6. Step 6: Final answer
    x = 74,609,311.07

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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.