Home / 154,715,061.85-231,800,173.67-145,498,689.68

Finding the Fourth Proportional to 154,715,061.85, 231,800,173.67 and 145,498,689.68

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Solution

The fourth proportional to 154,715,061.85, 231,800,173.67 and 145,498,689.68 is: 217,991,843.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,715,061.85 : 231,800,173.67 = 145,498,689.68 : x
  2. Step 2: Convert to fraction form
    154,715,061.85/231,800,173.67 = 145,498,689.68/x
  3. Step 3: Cross multiply
    154,715,061.85x = 231,800,173.67 × 145,498,689.68
  4. Step 4: Simplify right side
    154,715,061.85x = 33,726,621,535,786,188
  5. Step 5: Solve for x
    x = 33,726,621,535,786,188/154,715,061.85
  6. Step 6: Final answer
    x = 217,991,843.41

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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.