Home / 161,940,231.18-223,245,084.42-115,449,772.50

Finding the Fourth Proportional to 161,940,231.18, 223,245,084.42 and 115,449,772.50

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Solution

The fourth proportional to 161,940,231.18, 223,245,084.42 and 115,449,772.50 is: 159,154,979.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,940,231.18 : 223,245,084.42 = 115,449,772.50 : x
  2. Step 2: Convert to fraction form
    161,940,231.18/223,245,084.42 = 115,449,772.50/x
  3. Step 3: Cross multiply
    161,940,231.18x = 223,245,084.42 × 115,449,772.50
  4. Step 4: Simplify right side
    161,940,231.18x = 25,773,594,208,032,292
  5. Step 5: Solve for x
    x = 25,773,594,208,032,292/161,940,231.18
  6. Step 6: Final answer
    x = 159,154,979.71

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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.