Home / 200,371,861.56-300,348,020.31-83,853,975.90

Finding the Fourth Proportional to 200,371,861.56, 300,348,020.31 and 83,853,975.90

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Solution

The fourth proportional to 200,371,861.56, 300,348,020.31 and 83,853,975.90 is: 125,693,175.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,371,861.56 : 300,348,020.31 = 83,853,975.90 : x
  2. Step 2: Convert to fraction form
    200,371,861.56/300,348,020.31 = 83,853,975.90/x
  3. Step 3: Cross multiply
    200,371,861.56x = 300,348,020.31 × 83,853,975.90
  4. Step 4: Simplify right side
    200,371,861.56x = 25,185,375,655,875,600
  5. Step 5: Solve for x
    x = 25,185,375,655,875,600/200,371,861.56
  6. Step 6: Final answer
    x = 125,693,175.98

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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.