Home / 306,465,863.88-422,931,824.28-167,245,593.60

Finding the Fourth Proportional to 306,465,863.88, 422,931,824.28 and 167,245,593.60

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Solution

The fourth proportional to 306,465,863.88, 422,931,824.28 and 167,245,593.60 is: 230,803,793.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,465,863.88 : 422,931,824.28 = 167,245,593.60 : x
  2. Step 2: Convert to fraction form
    306,465,863.88/422,931,824.28 = 167,245,593.60/x
  3. Step 3: Cross multiply
    306,465,863.88x = 422,931,824.28 × 167,245,593.60
  4. Step 4: Simplify right side
    306,465,863.88x = 70,733,484,004,039,488
  5. Step 5: Solve for x
    x = 70,733,484,004,039,488/306,465,863.88
  6. Step 6: Final answer
    x = 230,803,793.64

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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.