Home / 274,560,574-378,900,991.26-161,537,955.22

Finding the Fourth Proportional to 274,560,574, 378,900,991.26 and 161,537,955.22

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Solution

The fourth proportional to 274,560,574, 378,900,991.26 and 161,537,955.22 is: 222,926,731.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,560,574 : 378,900,991.26 = 161,537,955.22 : x
  2. Step 2: Convert to fraction form
    274,560,574/378,900,991.26 = 161,537,955.22/x
  3. Step 3: Cross multiply
    274,560,574x = 378,900,991.26 × 161,537,955.22
  4. Step 4: Simplify right side
    274,560,574x = 61,206,891,358,971,488
  5. Step 5: Solve for x
    x = 61,206,891,358,971,488/274,560,574
  6. Step 6: Final answer
    x = 222,926,731.49

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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.