Home / 172,422,005.10-258,633,007.65-163,918,949.10

Finding the Fourth Proportional to 172,422,005.10, 258,633,007.65 and 163,918,949.10

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Solution

The fourth proportional to 172,422,005.10, 258,633,007.65 and 163,918,949.10 is: 245,878,423.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,422,005.10 : 258,633,007.65 = 163,918,949.10 : x
  2. Step 2: Convert to fraction form
    172,422,005.10/258,633,007.65 = 163,918,949.10/x
  3. Step 3: Cross multiply
    172,422,005.10x = 258,633,007.65 × 163,918,949.10
  4. Step 4: Simplify right side
    172,422,005.10x = 42,394,850,816,560,264
  5. Step 5: Solve for x
    x = 42,394,850,816,560,264/172,422,005.10
  6. Step 6: Final answer
    x = 245,878,423.65

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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.