Home / 331,998,979.83-498,170,816.27-135,406,621.29

Finding the Fourth Proportional to 331,998,979.83, 498,170,816.27 and 135,406,621.29

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Solution

The fourth proportional to 331,998,979.83, 498,170,816.27 and 135,406,621.29 is: 203,180,223.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,998,979.83 : 498,170,816.27 = 135,406,621.29 : x
  2. Step 2: Convert to fraction form
    331,998,979.83/498,170,816.27 = 135,406,621.29/x
  3. Step 3: Cross multiply
    331,998,979.83x = 498,170,816.27 × 135,406,621.29
  4. Step 4: Simplify right side
    331,998,979.83x = 67,455,627,056,402,056
  5. Step 5: Solve for x
    x = 67,455,627,056,402,056/331,998,979.83
  6. Step 6: Final answer
    x = 203,180,223.90

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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.