Home / 323,341,310.16-485,005,001.67-90,165,809.55

Finding the Fourth Proportional to 323,341,310.16, 485,005,001.67 and 90,165,809.55

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Solution

The fourth proportional to 323,341,310.16, 485,005,001.67 and 90,165,809.55 is: 135,246,772.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,341,310.16 : 485,005,001.67 = 90,165,809.55 : x
  2. Step 2: Convert to fraction form
    323,341,310.16/485,005,001.67 = 90,165,809.55/x
  3. Step 3: Cross multiply
    323,341,310.16x = 485,005,001.67 × 90,165,809.55
  4. Step 4: Simplify right side
    323,341,310.16x = 43,730,868,611,374,656
  5. Step 5: Solve for x
    x = 43,730,868,611,374,656/323,341,310.16
  6. Step 6: Final answer
    x = 135,246,772.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.