Home / 127,824,469.80-191,736,704.70-51,159,330.60

Finding the Fourth Proportional to 127,824,469.80, 191,736,704.70 and 51,159,330.60

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Solution

The fourth proportional to 127,824,469.80, 191,736,704.70 and 51,159,330.60 is: 76,738,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,824,469.80 : 191,736,704.70 = 51,159,330.60 : x
  2. Step 2: Convert to fraction form
    127,824,469.80/191,736,704.70 = 51,159,330.60/x
  3. Step 3: Cross multiply
    127,824,469.80x = 191,736,704.70 × 51,159,330.60
  4. Step 4: Simplify right side
    127,824,469.80x = 9,809,121,463,901,874
  5. Step 5: Solve for x
    x = 9,809,121,463,901,874/127,824,469.80
  6. Step 6: Final answer
    x = 76,738,995.90

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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.