Home / 308,944,684.32-425,937,972.21-222,943,055.46

Finding the Fourth Proportional to 308,944,684.32, 425,937,972.21 and 222,943,055.46

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Solution

The fourth proportional to 308,944,684.32, 425,937,972.21 and 222,943,055.46 is: 307,368,657.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,944,684.32 : 425,937,972.21 = 222,943,055.46 : x
  2. Step 2: Convert to fraction form
    308,944,684.32/425,937,972.21 = 222,943,055.46/x
  3. Step 3: Cross multiply
    308,944,684.32x = 425,937,972.21 × 222,943,055.46
  4. Step 4: Simplify right side
    308,944,684.32x = 94,959,912,960,933,968
  5. Step 5: Solve for x
    x = 94,959,912,960,933,968/308,944,684.32
  6. Step 6: Final answer
    x = 307,368,657.82

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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.