Home / 56,861,396.52-85,239,781.06-30,915,782.60

Finding the Fourth Proportional to 56,861,396.52, 85,239,781.06 and 30,915,782.60

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Solution

The fourth proportional to 56,861,396.52, 85,239,781.06 and 30,915,782.60 is: 46,345,230.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,861,396.52 : 85,239,781.06 = 30,915,782.60 : x
  2. Step 2: Convert to fraction form
    56,861,396.52/85,239,781.06 = 30,915,782.60/x
  3. Step 3: Cross multiply
    56,861,396.52x = 85,239,781.06 × 30,915,782.60
  4. Step 4: Simplify right side
    56,861,396.52x = 2,635,254,540,526,668.50
  5. Step 5: Solve for x
    x = 2,635,254,540,526,668.50/56,861,396.52
  6. Step 6: Final answer
    x = 46,345,230.71

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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.