Home / 246,749,940.34-340,669,980.56-158,797,121.87

Finding the Fourth Proportional to 246,749,940.34, 340,669,980.56 and 158,797,121.87

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Solution

The fourth proportional to 246,749,940.34, 340,669,980.56 and 158,797,121.87 is: 219,239,819.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,749,940.34 : 340,669,980.56 = 158,797,121.87 : x
  2. Step 2: Convert to fraction form
    246,749,940.34/340,669,980.56 = 158,797,121.87/x
  3. Step 3: Cross multiply
    246,749,940.34x = 340,669,980.56 × 158,797,121.87
  4. Step 4: Simplify right side
    246,749,940.34x = 54,097,412,420,436,856
  5. Step 5: Solve for x
    x = 54,097,412,420,436,856/246,749,940.34
  6. Step 6: Final answer
    x = 219,239,819.66

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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.