Home / 165,889,446.20-248,834,169.30-75,015,999.80

Finding the Fourth Proportional to 165,889,446.20, 248,834,169.30 and 75,015,999.80

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Solution

The fourth proportional to 165,889,446.20, 248,834,169.30 and 75,015,999.80 is: 112,523,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,889,446.20 : 248,834,169.30 = 75,015,999.80 : x
  2. Step 2: Convert to fraction form
    165,889,446.20/248,834,169.30 = 75,015,999.80/x
  3. Step 3: Cross multiply
    165,889,446.20x = 248,834,169.30 × 75,015,999.80
  4. Step 4: Simplify right side
    165,889,446.20x = 18,666,543,994,441,968
  5. Step 5: Solve for x
    x = 18,666,543,994,441,968/165,889,446.20
  6. Step 6: Final answer
    x = 112,523,999.70

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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.