Home / 331,378,915.50-496,988,644.95-101,349,993.06

Finding the Fourth Proportional to 331,378,915.50, 496,988,644.95 and 101,349,993.06

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Solution

The fourth proportional to 331,378,915.50, 496,988,644.95 and 101,349,993.06 is: 152,000,605.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,378,915.50 : 496,988,644.95 = 101,349,993.06 : x
  2. Step 2: Convert to fraction form
    331,378,915.50/496,988,644.95 = 101,349,993.06/x
  3. Step 3: Cross multiply
    331,378,915.50x = 496,988,644.95 × 101,349,993.06
  4. Step 4: Simplify right side
    331,378,915.50x = 50,369,795,716,581,304
  5. Step 5: Solve for x
    x = 50,369,795,716,581,304/331,378,915.50
  6. Step 6: Final answer
    x = 152,000,605.23

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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.