Home / 308,944,674.77-425,937,959.07-222,943,045.92

Finding the Fourth Proportional to 308,944,674.77, 425,937,959.07 and 222,943,045.92

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Solution

The fourth proportional to 308,944,674.77, 425,937,959.07 and 222,943,045.92 is: 307,368,644.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,944,674.77 : 425,937,959.07 = 222,943,045.92 : x
  2. Step 2: Convert to fraction form
    308,944,674.77/425,937,959.07 = 222,943,045.92/x
  3. Step 3: Cross multiply
    308,944,674.77x = 425,937,959.07 × 222,943,045.92
  4. Step 4: Simplify right side
    308,944,674.77x = 94,959,905,968,014,080
  5. Step 5: Solve for x
    x = 94,959,905,968,014,080/308,944,674.77
  6. Step 6: Final answer
    x = 307,368,644.69

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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.