Home / 331,858,139.20-498,088,358.70-168,209,740.60

Finding the Fourth Proportional to 331,858,139.20, 498,088,358.70 and 168,209,740.60

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Solution

The fourth proportional to 331,858,139.20, 498,088,358.70 and 168,209,740.60 is: 252,467,255.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,858,139.20 : 498,088,358.70 = 168,209,740.60 : x
  2. Step 2: Convert to fraction form
    331,858,139.20/498,088,358.70 = 168,209,740.60/x
  3. Step 3: Cross multiply
    331,858,139.20x = 498,088,358.70 × 168,209,740.60
  4. Step 4: Simplify right side
    331,858,139.20x = 83,783,313,612,806,752
  5. Step 5: Solve for x
    x = 83,783,313,612,806,752/331,858,139.20
  6. Step 6: Final answer
    x = 252,467,255.48

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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.