Home / 102,751,927.83-154,162,153.97-68,343,977.11

Finding the Fourth Proportional to 102,751,927.83, 154,162,153.97 and 68,343,977.11

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Solution

The fourth proportional to 102,751,927.83, 154,162,153.97 and 68,343,977.11 is: 102,538,754.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,751,927.83 : 154,162,153.97 = 68,343,977.11 : x
  2. Step 2: Convert to fraction form
    102,751,927.83/154,162,153.97 = 68,343,977.11/x
  3. Step 3: Cross multiply
    102,751,927.83x = 154,162,153.97 × 68,343,977.11
  4. Step 4: Simplify right side
    102,751,927.83x = 10,536,054,722,153,976
  5. Step 5: Solve for x
    x = 10,536,054,722,153,976/102,751,927.83
  6. Step 6: Final answer
    x = 102,538,754.69

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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.