Home / 307,897,274-424,894,853.16-166,764,983.54

Finding the Fourth Proportional to 307,897,274, 424,894,853.16 and 166,764,983.54

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Solution

The fourth proportional to 307,897,274, 424,894,853.16 and 166,764,983.54 is: 230,133,843.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,897,274 : 424,894,853.16 = 166,764,983.54 : x
  2. Step 2: Convert to fraction form
    307,897,274/424,894,853.16 = 166,764,983.54/x
  3. Step 3: Cross multiply
    307,897,274x = 424,894,853.16 × 166,764,983.54
  4. Step 4: Simplify right side
    307,897,274x = 70,857,583,193,458,120
  5. Step 5: Solve for x
    x = 70,857,583,193,458,120/307,897,274
  6. Step 6: Final answer
    x = 230,133,843.90

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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.