Home / 57,070,090.24-85,587,151.36-18,722,668.80

Finding the Fourth Proportional to 57,070,090.24, 85,587,151.36 and 18,722,668.80

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Solution

The fourth proportional to 57,070,090.24, 85,587,151.36 and 18,722,668.80 is: 28,078,103.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,070,090.24 : 85,587,151.36 = 18,722,668.80 : x
  2. Step 2: Convert to fraction form
    57,070,090.24/85,587,151.36 = 18,722,668.80/x
  3. Step 3: Cross multiply
    57,070,090.24x = 85,587,151.36 × 18,722,668.80
  4. Step 4: Simplify right side
    57,070,090.24x = 1,602,419,888,448,749.50
  5. Step 5: Solve for x
    x = 1,602,419,888,448,749.50/57,070,090.24
  6. Step 6: Final answer
    x = 28,078,103.29

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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.