Home / 295,239,112.80-442,858,669.20-213,609,775.20

Finding the Fourth Proportional to 295,239,112.80, 442,858,669.20 and 213,609,775.20

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Solution

The fourth proportional to 295,239,112.80, 442,858,669.20 and 213,609,775.20 is: 320,414,662.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,239,112.80 : 442,858,669.20 = 213,609,775.20 : x
  2. Step 2: Convert to fraction form
    295,239,112.80/442,858,669.20 = 213,609,775.20/x
  3. Step 3: Cross multiply
    295,239,112.80x = 442,858,669.20 × 213,609,775.20
  4. Step 4: Simplify right side
    295,239,112.80x = 94,598,940,773,183,152
  5. Step 5: Solve for x
    x = 94,598,940,773,183,152/295,239,112.80
  6. Step 6: Final answer
    x = 320,414,662.80

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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.