Home / 70,010,229.87-105,014,500.06-18,190,247.20

Finding the Fourth Proportional to 70,010,229.87, 105,014,500.06 and 18,190,247.20

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Solution

The fourth proportional to 70,010,229.87, 105,014,500.06 and 18,190,247.20 is: 27,285,151.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,010,229.87 : 105,014,500.06 = 18,190,247.20 : x
  2. Step 2: Convert to fraction form
    70,010,229.87/105,014,500.06 = 18,190,247.20/x
  3. Step 3: Cross multiply
    70,010,229.87x = 105,014,500.06 × 18,190,247.20
  4. Step 4: Simplify right side
    70,010,229.87x = 1,910,239,715,675,814.75
  5. Step 5: Solve for x
    x = 1,910,239,715,675,814.75/70,010,229.87
  6. Step 6: Final answer
    x = 27,285,151.32

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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.