Home / 323,345,108.93-485,010,660.43-90,169,599.23

Finding the Fourth Proportional to 323,345,108.93, 485,010,660.43 and 90,169,599.23

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Solution

The fourth proportional to 323,345,108.93, 485,010,660.43 and 90,169,599.23 is: 135,252,445.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,345,108.93 : 485,010,660.43 = 90,169,599.23 : x
  2. Step 2: Convert to fraction form
    323,345,108.93/485,010,660.43 = 90,169,599.23/x
  3. Step 3: Cross multiply
    323,345,108.93x = 485,010,660.43 × 90,169,599.23
  4. Step 4: Simplify right side
    323,345,108.93x = 43,733,216,872,757,168
  5. Step 5: Solve for x
    x = 43,733,216,872,757,168/323,345,108.93
  6. Step 6: Final answer
    x = 135,252,445.96

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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.