Home / 56,695,230.72-85,049,861.76-20,307,525.12

Finding the Fourth Proportional to 56,695,230.72, 85,049,861.76 and 20,307,525.12

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Solution

The fourth proportional to 56,695,230.72, 85,049,861.76 and 20,307,525.12 is: 30,463,800.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,695,230.72 : 85,049,861.76 = 20,307,525.12 : x
  2. Step 2: Convert to fraction form
    56,695,230.72/85,049,861.76 = 20,307,525.12/x
  3. Step 3: Cross multiply
    56,695,230.72x = 85,049,861.76 × 20,307,525.12
  4. Step 4: Simplify right side
    56,695,230.72x = 1,727,152,204,143,727.50
  5. Step 5: Solve for x
    x = 1,727,152,204,143,727.50/56,695,230.72
  6. Step 6: Final answer
    x = 30,463,800.61

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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.