Home / 409,043,836.05-613,652,031.23-132,673,586.46

Finding the Fourth Proportional to 409,043,836.05, 613,652,031.23 and 132,673,586.46

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Solution

The fourth proportional to 409,043,836.05, 613,652,031.23 and 132,673,586.46 is: 199,038,363.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,043,836.05 : 613,652,031.23 = 132,673,586.46 : x
  2. Step 2: Convert to fraction form
    409,043,836.05/613,652,031.23 = 132,673,586.46/x
  3. Step 3: Cross multiply
    409,043,836.05x = 613,652,031.23 × 132,673,586.46
  4. Step 4: Simplify right side
    409,043,836.05x = 81,415,415,821,084,656
  5. Step 5: Solve for x
    x = 81,415,415,821,084,656/409,043,836.05
  6. Step 6: Final answer
    x = 199,038,363.73

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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.