Home / 192,781,655.75-266,035,961.07-109,147,628.31

Finding the Fourth Proportional to 192,781,655.75, 266,035,961.07 and 109,147,628.31

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Solution

The fourth proportional to 192,781,655.75, 266,035,961.07 and 109,147,628.31 is: 150,622,184.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,781,655.75 : 266,035,961.07 = 109,147,628.31 : x
  2. Step 2: Convert to fraction form
    192,781,655.75/266,035,961.07 = 109,147,628.31/x
  3. Step 3: Cross multiply
    192,781,655.75x = 266,035,961.07 × 109,147,628.31
  4. Step 4: Simplify right side
    192,781,655.75x = 29,037,194,195,961,988
  5. Step 5: Solve for x
    x = 29,037,194,195,961,988/192,781,655.75
  6. Step 6: Final answer
    x = 150,622,184.89

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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.