Home / 54,388,687.05-81,559,090.20-28,823,706.81

Finding the Fourth Proportional to 54,388,687.05, 81,559,090.20 and 28,823,706.81

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Solution

The fourth proportional to 54,388,687.05, 81,559,090.20 and 28,823,706.81 is: 43,222,872.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,388,687.05 : 81,559,090.20 = 28,823,706.81 : x
  2. Step 2: Convert to fraction form
    54,388,687.05/81,559,090.20 = 28,823,706.81/x
  3. Step 3: Cross multiply
    54,388,687.05x = 81,559,090.20 × 28,823,706.81
  4. Step 4: Simplify right side
    54,388,687.05x = 2,350,835,303,615,144
  5. Step 5: Solve for x
    x = 2,350,835,303,615,144/54,388,687.05
  6. Step 6: Final answer
    x = 43,222,872.83

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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.