Home / 331,378,942-496,988,684.70-101,350,019.56

Finding the Fourth Proportional to 331,378,942, 496,988,684.70 and 101,350,019.56

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Solution

The fourth proportional to 331,378,942, 496,988,684.70 and 101,350,019.56 is: 152,000,644.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,378,942 : 496,988,684.70 = 101,350,019.56 : x
  2. Step 2: Convert to fraction form
    331,378,942/496,988,684.70 = 101,350,019.56/x
  3. Step 3: Cross multiply
    331,378,942x = 496,988,684.70 × 101,350,019.56
  4. Step 4: Simplify right side
    331,378,942x = 50,369,812,915,443,672
  5. Step 5: Solve for x
    x = 50,369,812,915,443,672/331,378,942
  6. Step 6: Final answer
    x = 152,000,644.98

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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.