Home / 310,815,192.16-465,992,945.43-187,966,198.15

Finding the Fourth Proportional to 310,815,192.16, 465,992,945.43 and 187,966,198.15

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Solution

The fourth proportional to 310,815,192.16, 465,992,945.43 and 187,966,198.15 is: 281,810,299.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,815,192.16 : 465,992,945.43 = 187,966,198.15 : x
  2. Step 2: Convert to fraction form
    310,815,192.16/465,992,945.43 = 187,966,198.15/x
  3. Step 3: Cross multiply
    310,815,192.16x = 465,992,945.43 × 187,966,198.15
  4. Step 4: Simplify right side
    310,815,192.16x = 87,590,922,317,197,520
  5. Step 5: Solve for x
    x = 87,590,922,317,197,520/310,815,192.16
  6. Step 6: Final answer
    x = 281,810,299.26

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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.