Home / 57,448,743.65-86,166,728.50-20,559,144.92

Finding the Fourth Proportional to 57,448,743.65, 86,166,728.50 and 20,559,144.92

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Solution

The fourth proportional to 57,448,743.65, 86,166,728.50 and 20,559,144.92 is: 30,836,431.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,448,743.65 : 86,166,728.50 = 20,559,144.92 : x
  2. Step 2: Convert to fraction form
    57,448,743.65/86,166,728.50 = 20,559,144.92/x
  3. Step 3: Cross multiply
    57,448,743.65x = 86,166,728.50 × 20,559,144.92
  4. Step 4: Simplify right side
    57,448,743.65x = 1,771,514,258,438,584.75
  5. Step 5: Solve for x
    x = 1,771,514,258,438,584.75/57,448,743.65
  6. Step 6: Final answer
    x = 30,836,431.68

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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.