Home / 146,388,208.11-202,002,861.04-83,651,856.31

Finding the Fourth Proportional to 146,388,208.11, 202,002,861.04 and 83,651,856.31

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Solution

The fourth proportional to 146,388,208.11, 202,002,861.04 and 83,651,856.31 is: 115,432,209.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,388,208.11 : 202,002,861.04 = 83,651,856.31 : x
  2. Step 2: Convert to fraction form
    146,388,208.11/202,002,861.04 = 83,651,856.31/x
  3. Step 3: Cross multiply
    146,388,208.11x = 202,002,861.04 × 83,651,856.31
  4. Step 4: Simplify right side
    146,388,208.11x = 16,897,914,305,926,976
  5. Step 5: Solve for x
    x = 16,897,914,305,926,976/146,388,208.11
  6. Step 6: Final answer
    x = 115,432,209.49

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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.