Home / 306,465,881.88-422,931,849.12-167,245,611.60

Finding the Fourth Proportional to 306,465,881.88, 422,931,849.12 and 167,245,611.60

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Solution

The fourth proportional to 306,465,881.88, 422,931,849.12 and 167,245,611.60 is: 230,803,818.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,465,881.88 : 422,931,849.12 = 167,245,611.60 : x
  2. Step 2: Convert to fraction form
    306,465,881.88/422,931,849.12 = 167,245,611.60/x
  3. Step 3: Cross multiply
    306,465,881.88x = 422,931,849.12 × 167,245,611.60
  4. Step 4: Simplify right side
    306,465,881.88x = 70,733,495,771,193,320
  5. Step 5: Solve for x
    x = 70,733,495,771,193,320/306,465,881.88
  6. Step 6: Final answer
    x = 230,803,818.48

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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.