Home / 77,463,658.78-106,891,722-43,962,469.48

Finding the Fourth Proportional to 77,463,658.78, 106,891,722 and 43,962,469.48

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Solution

The fourth proportional to 77,463,658.78, 106,891,722 and 43,962,469.48 is: 60,663,595.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,463,658.78 : 106,891,722 = 43,962,469.48 : x
  2. Step 2: Convert to fraction form
    77,463,658.78/106,891,722 = 43,962,469.48/x
  3. Step 3: Cross multiply
    77,463,658.78x = 106,891,722 × 43,962,469.48
  4. Step 4: Simplify right side
    77,463,658.78x = 4,699,224,066,089,644
  5. Step 5: Solve for x
    x = 4,699,224,066,089,644/77,463,658.78
  6. Step 6: Final answer
    x = 60,663,595.55

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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.