Home / 179,183,997.80-268,825,763.10-76,996,989.80

Finding the Fourth Proportional to 179,183,997.80, 268,825,763.10 and 76,996,989.80

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Solution

The fourth proportional to 179,183,997.80, 268,825,763.10 and 76,996,989.80 is: 115,516,869.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,183,997.80 : 268,825,763.10 = 76,996,989.80 : x
  2. Step 2: Convert to fraction form
    179,183,997.80/268,825,763.10 = 76,996,989.80/x
  3. Step 3: Cross multiply
    179,183,997.80x = 268,825,763.10 × 76,996,989.80
  4. Step 4: Simplify right side
    179,183,997.80x = 20,698,774,539,387,916
  5. Step 5: Solve for x
    x = 20,698,774,539,387,916/179,183,997.80
  6. Step 6: Final answer
    x = 115,516,869.77

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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.