Home / 120,383,622.77-166,130,375.69-65,379,872.93

Finding the Fourth Proportional to 120,383,622.77, 166,130,375.69 and 65,379,872.93

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Solution

The fourth proportional to 120,383,622.77, 166,130,375.69 and 65,379,872.93 is: 90,224,754.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,383,622.77 : 166,130,375.69 = 65,379,872.93 : x
  2. Step 2: Convert to fraction form
    120,383,622.77/166,130,375.69 = 65,379,872.93/x
  3. Step 3: Cross multiply
    120,383,622.77x = 166,130,375.69 × 65,379,872.93
  4. Step 4: Simplify right side
    120,383,622.77x = 10,861,582,851,758,158
  5. Step 5: Solve for x
    x = 10,861,582,851,758,158/120,383,622.77
  6. Step 6: Final answer
    x = 90,224,754.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.