Home / 202,464,718.49-279,399,920.45-109,643,102.21

Finding the Fourth Proportional to 202,464,718.49, 279,399,920.45 and 109,643,102.21

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Solution

The fourth proportional to 202,464,718.49, 279,399,920.45 and 109,643,102.21 is: 151,306,727.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,464,718.49 : 279,399,920.45 = 109,643,102.21 : x
  2. Step 2: Convert to fraction form
    202,464,718.49/279,399,920.45 = 109,643,102.21/x
  3. Step 3: Cross multiply
    202,464,718.49x = 279,399,920.45 × 109,643,102.21
  4. Step 4: Simplify right side
    202,464,718.49x = 30,634,274,033,420,004
  5. Step 5: Solve for x
    x = 30,634,274,033,420,004/202,464,718.49
  6. Step 6: Final answer
    x = 151,306,727.72

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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.