Home / 115,909,996.64-173,637,819.12-67,285,891.04

Finding the Fourth Proportional to 115,909,996.64, 173,637,819.12 and 67,285,891.04

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Solution

The fourth proportional to 115,909,996.64, 173,637,819.12 and 67,285,891.04 is: 100,796,960.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,909,996.64 : 173,637,819.12 = 67,285,891.04 : x
  2. Step 2: Convert to fraction form
    115,909,996.64/173,637,819.12 = 67,285,891.04/x
  3. Step 3: Cross multiply
    115,909,996.64x = 173,637,819.12 × 67,285,891.04
  4. Step 4: Simplify right side
    115,909,996.64x = 11,683,375,377,731,550
  5. Step 5: Solve for x
    x = 11,683,375,377,731,550/115,909,996.64
  6. Step 6: Final answer
    x = 100,796,960.71

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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.