Home / 200,371,874.31-300,348,039.44-83,853,988.65

Finding the Fourth Proportional to 200,371,874.31, 300,348,039.44 and 83,853,988.65

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Solution

The fourth proportional to 200,371,874.31, 300,348,039.44 and 83,853,988.65 is: 125,693,195.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,371,874.31 : 300,348,039.44 = 83,853,988.65 : x
  2. Step 2: Convert to fraction form
    200,371,874.31/300,348,039.44 = 83,853,988.65/x
  3. Step 3: Cross multiply
    200,371,874.31x = 300,348,039.44 × 83,853,988.65
  4. Step 4: Simplify right side
    200,371,874.31x = 25,185,381,089,832,244
  5. Step 5: Solve for x
    x = 25,185,381,089,832,244/200,371,874.31
  6. Step 6: Final answer
    x = 125,693,195.10

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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.