Home / 329,670,167.40-494,505,251.10-99,674,749.80

Finding the Fourth Proportional to 329,670,167.40, 494,505,251.10 and 99,674,749.80

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Solution

The fourth proportional to 329,670,167.40, 494,505,251.10 and 99,674,749.80 is: 149,512,124.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,670,167.40 : 494,505,251.10 = 99,674,749.80 : x
  2. Step 2: Convert to fraction form
    329,670,167.40/494,505,251.10 = 99,674,749.80/x
  3. Step 3: Cross multiply
    329,670,167.40x = 494,505,251.10 × 99,674,749.80
  4. Step 4: Simplify right side
    329,670,167.40x = 49,289,687,178,178,672
  5. Step 5: Solve for x
    x = 49,289,687,178,178,672/329,670,167.40
  6. Step 6: Final answer
    x = 149,512,124.70

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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.