Home / 139,351,089.01-192,305,250.56-76,631,231.38

Finding the Fourth Proportional to 139,351,089.01, 192,305,250.56 and 76,631,231.38

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Solution

The fourth proportional to 139,351,089.01, 192,305,250.56 and 76,631,231.38 is: 105,751,510.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,351,089.01 : 192,305,250.56 = 76,631,231.38 : x
  2. Step 2: Convert to fraction form
    139,351,089.01/192,305,250.56 = 76,631,231.38/x
  3. Step 3: Cross multiply
    139,351,089.01x = 192,305,250.56 × 76,631,231.38
  4. Step 4: Simplify right side
    139,351,089.01x = 14,736,588,150,290,708
  5. Step 5: Solve for x
    x = 14,736,588,150,290,708/139,351,089.01
  6. Step 6: Final answer
    x = 105,751,510.49

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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.