Home / 307,115,181-423,821,769.81-174,954,218.79

Finding the Fourth Proportional to 307,115,181, 423,821,769.81 and 174,954,218.79

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Solution

The fourth proportional to 307,115,181, 423,821,769.81 and 174,954,218.79 is: 241,438,428.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,115,181 : 423,821,769.81 = 174,954,218.79 : x
  2. Step 2: Convert to fraction form
    307,115,181/423,821,769.81 = 174,954,218.79/x
  3. Step 3: Cross multiply
    307,115,181x = 423,821,769.81 × 174,954,218.79
  4. Step 4: Simplify right side
    307,115,181x = 74,149,406,643,303,760
  5. Step 5: Solve for x
    x = 74,149,406,643,303,760/307,115,181
  6. Step 6: Final answer
    x = 241,438,428.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.