Home / 261,151,473.33-360,389,021.31-143,674,283.39

Finding the Fourth Proportional to 261,151,473.33, 360,389,021.31 and 143,674,283.39

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Solution

The fourth proportional to 261,151,473.33, 360,389,021.31 and 143,674,283.39 is: 198,270,504.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,151,473.33 : 360,389,021.31 = 143,674,283.39 : x
  2. Step 2: Convert to fraction form
    261,151,473.33/360,389,021.31 = 143,674,283.39/x
  3. Step 3: Cross multiply
    261,151,473.33x = 360,389,021.31 × 143,674,283.39
  4. Step 4: Simplify right side
    261,151,473.33x = 51,778,634,376,535,744
  5. Step 5: Solve for x
    x = 51,778,634,376,535,744/261,151,473.33
  6. Step 6: Final answer
    x = 198,270,504.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.