Home / 306,392,275.30-422,820,764.13-167,163,131.38

Finding the Fourth Proportional to 306,392,275.30, 422,820,764.13 and 167,163,131.38

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Solution

The fourth proportional to 306,392,275.30, 422,820,764.13 and 167,163,131.38 is: 230,684,807.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,392,275.30 : 422,820,764.13 = 167,163,131.38 : x
  2. Step 2: Convert to fraction form
    306,392,275.30/422,820,764.13 = 167,163,131.38/x
  3. Step 3: Cross multiply
    306,392,275.30x = 422,820,764.13 × 167,163,131.38
  4. Step 4: Simplify right side
    306,392,275.30x = 70,680,042,944,455,176
  5. Step 5: Solve for x
    x = 70,680,042,944,455,176/306,392,275.30
  6. Step 6: Final answer
    x = 230,684,807.17

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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.