Home / 213,489,918.83-320,274,965.93-96,913,457.03

Finding the Fourth Proportional to 213,489,918.83, 320,274,965.93 and 96,913,457.03

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Solution

The fourth proportional to 213,489,918.83, 320,274,965.93 and 96,913,457.03 is: 145,388,383.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,489,918.83 : 320,274,965.93 = 96,913,457.03 : x
  2. Step 2: Convert to fraction form
    213,489,918.83/320,274,965.93 = 96,913,457.03/x
  3. Step 3: Cross multiply
    213,489,918.83x = 320,274,965.93 × 96,913,457.03
  4. Step 4: Simplify right side
    213,489,918.83x = 31,038,954,148,757,888
  5. Step 5: Solve for x
    x = 31,038,954,148,757,888/213,489,918.83
  6. Step 6: Final answer
    x = 145,388,383.29

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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.