Home / 307,824,738.31-424,798,548.53-166,696,202.31

Finding the Fourth Proportional to 307,824,738.31, 424,798,548.53 and 166,696,202.31

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Solution

The fourth proportional to 307,824,738.31, 424,798,548.53 and 166,696,202.31 is: 230,040,981.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,824,738.31 : 424,798,548.53 = 166,696,202.31 : x
  2. Step 2: Convert to fraction form
    307,824,738.31/424,798,548.53 = 166,696,202.31/x
  3. Step 3: Cross multiply
    307,824,738.31x = 424,798,548.53 × 166,696,202.31
  4. Step 4: Simplify right side
    307,824,738.31x = 70,812,304,784,324,760
  5. Step 5: Solve for x
    x = 70,812,304,784,324,760/307,824,738.31
  6. Step 6: Final answer
    x = 230,040,981.02

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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.