Home / 293,641,942.46-405,236,535.17-168,218,378.91

Finding the Fourth Proportional to 293,641,942.46, 405,236,535.17 and 168,218,378.91

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Solution

The fourth proportional to 293,641,942.46, 405,236,535.17 and 168,218,378.91 is: 232,147,466.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,641,942.46 : 405,236,535.17 = 168,218,378.91 : x
  2. Step 2: Convert to fraction form
    293,641,942.46/405,236,535.17 = 168,218,378.91/x
  3. Step 3: Cross multiply
    293,641,942.46x = 405,236,535.17 × 168,218,378.91
  4. Step 4: Simplify right side
    293,641,942.46x = 68,168,233,020,561,512
  5. Step 5: Solve for x
    x = 68,168,233,020,561,512/293,641,942.46
  6. Step 6: Final answer
    x = 232,147,466.57

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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.