Home / 77,767,885.72-107,322,942.96-44,728,144.06

Finding the Fourth Proportional to 77,767,885.72, 107,322,942.96 and 44,728,144.06

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Solution

The fourth proportional to 77,767,885.72, 107,322,942.96 and 44,728,144.06 is: 61,726,714.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,767,885.72 : 107,322,942.96 = 44,728,144.06 : x
  2. Step 2: Convert to fraction form
    77,767,885.72/107,322,942.96 = 44,728,144.06/x
  3. Step 3: Cross multiply
    77,767,885.72x = 107,322,942.96 × 44,728,144.06
  4. Step 4: Simplify right side
    77,767,885.72x = 4,800,356,053,658,043
  5. Step 5: Solve for x
    x = 4,800,356,053,658,043/77,767,885.72
  6. Step 6: Final answer
    x = 61,726,714.17

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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.