Home / 66,522,039.15-99,783,303.86-20,463,589.11

Finding the Fourth Proportional to 66,522,039.15, 99,783,303.86 and 20,463,589.11

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Solution

The fourth proportional to 66,522,039.15, 99,783,303.86 and 20,463,589.11 is: 30,695,459.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,522,039.15 : 99,783,303.86 = 20,463,589.11 : x
  2. Step 2: Convert to fraction form
    66,522,039.15/99,783,303.86 = 20,463,589.11/x
  3. Step 3: Cross multiply
    66,522,039.15x = 99,783,303.86 × 20,463,589.11
  4. Step 4: Simplify right side
    66,522,039.15x = 2,041,924,530,229,317
  5. Step 5: Solve for x
    x = 2,041,924,530,229,317/66,522,039.15
  6. Step 6: Final answer
    x = 30,695,459.07

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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.