Home / 178,108,321.56-266,976,018.31-74,536,867.63

Finding the Fourth Proportional to 178,108,321.56, 266,976,018.31 and 74,536,867.63

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Solution

The fourth proportional to 178,108,321.56, 266,976,018.31 and 74,536,867.63 is: 111,727,267.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,108,321.56 : 266,976,018.31 = 74,536,867.63 : x
  2. Step 2: Convert to fraction form
    178,108,321.56/266,976,018.31 = 74,536,867.63/x
  3. Step 3: Cross multiply
    178,108,321.56x = 266,976,018.31 × 74,536,867.63
  4. Step 4: Simplify right side
    178,108,321.56x = 19,899,556,136,784,240
  5. Step 5: Solve for x
    x = 19,899,556,136,784,240/178,108,321.56
  6. Step 6: Final answer
    x = 111,727,267.78

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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.