Home / 323,376,053.67-485,067,967.80-90,192,572.25

Finding the Fourth Proportional to 323,376,053.67, 485,067,967.80 and 90,192,572.25

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Solution

The fourth proportional to 323,376,053.67, 485,067,967.80 and 90,192,572.25 is: 135,289,942.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,376,053.67 : 485,067,967.80 = 90,192,572.25 : x
  2. Step 2: Convert to fraction form
    323,376,053.67/485,067,967.80 = 90,192,572.25/x
  3. Step 3: Cross multiply
    323,376,053.67x = 485,067,967.80 × 90,192,572.25
  4. Step 4: Simplify right side
    323,376,053.67x = 43,749,527,731,962,176
  5. Step 5: Solve for x
    x = 43,749,527,731,962,176/323,376,053.67
  6. Step 6: Final answer
    x = 135,289,942.58

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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.