Home / 54,259,428.80-81,389,143.20-39,804,233.60

Finding the Fourth Proportional to 54,259,428.80, 81,389,143.20 and 39,804,233.60

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Solution

The fourth proportional to 54,259,428.80, 81,389,143.20 and 39,804,233.60 is: 59,706,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,259,428.80 : 81,389,143.20 = 39,804,233.60 : x
  2. Step 2: Convert to fraction form
    54,259,428.80/81,389,143.20 = 39,804,233.60/x
  3. Step 3: Cross multiply
    54,259,428.80x = 81,389,143.20 × 39,804,233.60
  4. Step 4: Simplify right side
    54,259,428.80x = 3,239,632,468,436,652
  5. Step 5: Solve for x
    x = 3,239,632,468,436,652/54,259,428.80
  6. Step 6: Final answer
    x = 59,706,350.40

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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.