Home / 293,490,095.50-405,021,363.60-161,336,661.94

Finding the Fourth Proportional to 293,490,095.50, 405,021,363.60 and 161,336,661.94

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Solution

The fourth proportional to 293,490,095.50, 405,021,363.60 and 161,336,661.94 is: 222,647,359.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,490,095.50 : 405,021,363.60 = 161,336,661.94 : x
  2. Step 2: Convert to fraction form
    293,490,095.50/405,021,363.60 = 161,336,661.94/x
  3. Step 3: Cross multiply
    293,490,095.50x = 405,021,363.60 × 161,336,661.94
  4. Step 4: Simplify right side
    293,490,095.50x = 65,344,794,817,611,024
  5. Step 5: Solve for x
    x = 65,344,794,817,611,024/293,490,095.50
  6. Step 6: Final answer
    x = 222,647,359.55

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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.