Home / 293,641,836.10-405,236,387.75-168,218,272.43

Finding the Fourth Proportional to 293,641,836.10, 405,236,387.75 and 168,218,272.43

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Solution

The fourth proportional to 293,641,836.10, 405,236,387.75 and 168,218,272.43 is: 232,147,319.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,641,836.10 : 405,236,387.75 = 168,218,272.43 : x
  2. Step 2: Convert to fraction form
    293,641,836.10/405,236,387.75 = 168,218,272.43/x
  3. Step 3: Cross multiply
    293,641,836.10x = 405,236,387.75 × 168,218,272.43
  4. Step 4: Simplify right side
    293,641,836.10x = 68,168,165,073,078,616
  5. Step 5: Solve for x
    x = 68,168,165,073,078,616/293,641,836.10
  6. Step 6: Final answer
    x = 232,147,319.26

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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.