Home / 331,998,981.83-498,170,819.27-135,406,623.29

Finding the Fourth Proportional to 331,998,981.83, 498,170,819.27 and 135,406,623.29

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Solution

The fourth proportional to 331,998,981.83, 498,170,819.27 and 135,406,623.29 is: 203,180,226.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,998,981.83 : 498,170,819.27 = 135,406,623.29 : x
  2. Step 2: Convert to fraction form
    331,998,981.83/498,170,819.27 = 135,406,623.29/x
  3. Step 3: Cross multiply
    331,998,981.83x = 498,170,819.27 × 135,406,623.29
  4. Step 4: Simplify right side
    331,998,981.83x = 67,455,628,458,963,560
  5. Step 5: Solve for x
    x = 67,455,628,458,963,560/331,998,981.83
  6. Step 6: Final answer
    x = 203,180,226.90

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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.