Home / 299,136,255.48-448,704,383.22-72,201,471.48

Finding the Fourth Proportional to 299,136,255.48, 448,704,383.22 and 72,201,471.48

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Solution

The fourth proportional to 299,136,255.48, 448,704,383.22 and 72,201,471.48 is: 108,302,207.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,136,255.48 : 448,704,383.22 = 72,201,471.48 : x
  2. Step 2: Convert to fraction form
    299,136,255.48/448,704,383.22 = 72,201,471.48/x
  3. Step 3: Cross multiply
    299,136,255.48x = 448,704,383.22 × 72,201,471.48
  4. Step 4: Simplify right side
    299,136,255.48x = 32,397,116,728,009,824
  5. Step 5: Solve for x
    x = 32,397,116,728,009,824/299,136,255.48
  6. Step 6: Final answer
    x = 108,302,207.22

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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.