Home / 306,392,271.30-422,820,758.61-167,163,127.38

Finding the Fourth Proportional to 306,392,271.30, 422,820,758.61 and 167,163,127.38

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Solution

The fourth proportional to 306,392,271.30, 422,820,758.61 and 167,163,127.38 is: 230,684,801.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,392,271.30 : 422,820,758.61 = 167,163,127.38 : x
  2. Step 2: Convert to fraction form
    306,392,271.30/422,820,758.61 = 167,163,127.38/x
  3. Step 3: Cross multiply
    306,392,271.30x = 422,820,758.61 × 167,163,127.38
  4. Step 4: Simplify right side
    306,392,271.30x = 70,680,040,330,431,664
  5. Step 5: Solve for x
    x = 70,680,040,330,431,664/306,392,271.30
  6. Step 6: Final answer
    x = 230,684,801.65

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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.