Home / 303,062,552.40-418,216,139.64-191,613,382.32

Finding the Fourth Proportional to 303,062,552.40, 418,216,139.64 and 191,613,382.32

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Solution

The fourth proportional to 303,062,552.40, 418,216,139.64 and 191,613,382.32 is: 264,420,029.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,062,552.40 : 418,216,139.64 = 191,613,382.32 : x
  2. Step 2: Convert to fraction form
    303,062,552.40/418,216,139.64 = 191,613,382.32/x
  3. Step 3: Cross multiply
    303,062,552.40x = 418,216,139.64 × 191,613,382.32
  4. Step 4: Simplify right side
    303,062,552.40x = 80,135,809,057,233,824
  5. Step 5: Solve for x
    x = 80,135,809,057,233,824/303,062,552.40
  6. Step 6: Final answer
    x = 264,420,029.54

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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.