Home / 77,217,949.76-106,534,844.84-43,722,852

Finding the Fourth Proportional to 77,217,949.76, 106,534,844.84 and 43,722,852

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Solution

The fourth proportional to 77,217,949.76, 106,534,844.84 and 43,722,852 is: 60,322,855.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,217,949.76 : 106,534,844.84 = 43,722,852 : x
  2. Step 2: Convert to fraction form
    77,217,949.76/106,534,844.84 = 43,722,852/x
  3. Step 3: Cross multiply
    77,217,949.76x = 106,534,844.84 × 43,722,852
  4. Step 4: Simplify right side
    77,217,949.76x = 4,658,007,253,782,284
  5. Step 5: Solve for x
    x = 4,658,007,253,782,284/77,217,949.76
  6. Step 6: Final answer
    x = 60,322,855.87

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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.