Home / 168,816,215.90-232,966,377.96-91,553,879.90

Finding the Fourth Proportional to 168,816,215.90, 232,966,377.96 and 91,553,879.90

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Solution

The fourth proportional to 168,816,215.90, 232,966,377.96 and 91,553,879.90 is: 126,344,354.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,816,215.90 : 232,966,377.96 = 91,553,879.90 : x
  2. Step 2: Convert to fraction form
    168,816,215.90/232,966,377.96 = 91,553,879.90/x
  3. Step 3: Cross multiply
    168,816,215.90x = 232,966,377.96 × 91,553,879.90
  4. Step 4: Simplify right side
    168,816,215.90x = 21,328,975,788,487,848
  5. Step 5: Solve for x
    x = 21,328,975,788,487,848/168,816,215.90
  6. Step 6: Final answer
    x = 126,344,354.27

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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.