Home / 262,113,999.20-393,170,998.80-245,958,192.80

Finding the Fourth Proportional to 262,113,999.20, 393,170,998.80 and 245,958,192.80

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Solution

The fourth proportional to 262,113,999.20, 393,170,998.80 and 245,958,192.80 is: 368,937,289.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,113,999.20 : 393,170,998.80 = 245,958,192.80 : x
  2. Step 2: Convert to fraction form
    262,113,999.20/393,170,998.80 = 245,958,192.80/x
  3. Step 3: Cross multiply
    262,113,999.20x = 393,170,998.80 × 245,958,192.80
  4. Step 4: Simplify right side
    262,113,999.20x = 96,703,628,326,218,976
  5. Step 5: Solve for x
    x = 96,703,628,326,218,976/262,113,999.20
  6. Step 6: Final answer
    x = 368,937,289.20

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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.