Home / 200,371,872.81-300,348,037.19-83,853,987.15

Finding the Fourth Proportional to 200,371,872.81, 300,348,037.19 and 83,853,987.15

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Solution

The fourth proportional to 200,371,872.81, 300,348,037.19 and 83,853,987.15 is: 125,693,192.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,371,872.81 : 300,348,037.19 = 83,853,987.15 : x
  2. Step 2: Convert to fraction form
    200,371,872.81/300,348,037.19 = 83,853,987.15/x
  3. Step 3: Cross multiply
    200,371,872.81x = 300,348,037.19 × 83,853,987.15
  4. Step 4: Simplify right side
    200,371,872.81x = 25,185,380,450,638,716
  5. Step 5: Solve for x
    x = 25,185,380,450,638,716/200,371,872.81
  6. Step 6: Final answer
    x = 125,693,192.85

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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.