Home / 66,522,166.92-99,783,495.54-20,463,716.88

Finding the Fourth Proportional to 66,522,166.92, 99,783,495.54 and 20,463,716.88

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Solution

The fourth proportional to 66,522,166.92, 99,783,495.54 and 20,463,716.88 is: 30,695,650.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,522,166.92 : 99,783,495.54 = 20,463,716.88 : x
  2. Step 2: Convert to fraction form
    66,522,166.92/99,783,495.54 = 20,463,716.88/x
  3. Step 3: Cross multiply
    66,522,166.92x = 99,783,495.54 × 20,463,716.88
  4. Step 4: Simplify right side
    66,522,166.92x = 2,041,941,202,027,302.75
  5. Step 5: Solve for x
    x = 2,041,941,202,027,302.75/66,522,166.92
  6. Step 6: Final answer
    x = 30,695,650.74

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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.