Home / 308,944,672.61-425,937,956.09-222,943,043.76

Finding the Fourth Proportional to 308,944,672.61, 425,937,956.09 and 222,943,043.76

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Solution

The fourth proportional to 308,944,672.61, 425,937,956.09 and 222,943,043.76 is: 307,368,641.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,944,672.61 : 425,937,956.09 = 222,943,043.76 : x
  2. Step 2: Convert to fraction form
    308,944,672.61/425,937,956.09 = 222,943,043.76/x
  3. Step 3: Cross multiply
    308,944,672.61x = 425,937,956.09 × 222,943,043.76
  4. Step 4: Simplify right side
    308,944,672.61x = 94,959,904,384,175,168
  5. Step 5: Solve for x
    x = 94,959,904,384,175,168/308,944,672.61
  6. Step 6: Final answer
    x = 307,368,641.71

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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.