Home / 306,492,837.12-422,969,082.24-167,272,528.32

Finding the Fourth Proportional to 306,492,837.12, 422,969,082.24 and 167,272,528.32

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Solution

The fourth proportional to 306,492,837.12, 422,969,082.24 and 167,272,528.32 is: 230,840,982.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,492,837.12 : 422,969,082.24 = 167,272,528.32 : x
  2. Step 2: Convert to fraction form
    306,492,837.12/422,969,082.24 = 167,272,528.32/x
  3. Step 3: Cross multiply
    306,492,837.12x = 422,969,082.24 × 167,272,528.32
  4. Step 4: Simplify right side
    306,492,837.12x = 70,751,107,787,474,808
  5. Step 5: Solve for x
    x = 70,751,107,787,474,808/306,492,837.12
  6. Step 6: Final answer
    x = 230,840,982.95

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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.