Home / 147,183,999.80-220,775,999.70-89,646,654.20

Finding the Fourth Proportional to 147,183,999.80, 220,775,999.70 and 89,646,654.20

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Solution

The fourth proportional to 147,183,999.80, 220,775,999.70 and 89,646,654.20 is: 134,469,981.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,183,999.80 : 220,775,999.70 = 89,646,654.20 : x
  2. Step 2: Convert to fraction form
    147,183,999.80/220,775,999.70 = 89,646,654.20/x
  3. Step 3: Cross multiply
    147,183,999.80x = 220,775,999.70 × 89,646,654.20
  4. Step 4: Simplify right side
    147,183,999.80x = 19,791,829,700,765,204
  5. Step 5: Solve for x
    x = 19,791,829,700,765,204/147,183,999.80
  6. Step 6: Final answer
    x = 134,469,981.30

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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.