Home / 200,371,873.81-300,348,038.68-83,853,988.15

Finding the Fourth Proportional to 200,371,873.81, 300,348,038.68 and 83,853,988.15

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Solution

The fourth proportional to 200,371,873.81, 300,348,038.68 and 83,853,988.15 is: 125,693,194.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,371,873.81 : 300,348,038.68 = 83,853,988.15 : x
  2. Step 2: Convert to fraction form
    200,371,873.81/300,348,038.68 = 83,853,988.15/x
  3. Step 3: Cross multiply
    200,371,873.81x = 300,348,038.68 × 83,853,988.15
  4. Step 4: Simplify right side
    200,371,873.81x = 25,185,380,876,348,464
  5. Step 5: Solve for x
    x = 25,185,380,876,348,464/200,371,873.81
  6. Step 6: Final answer
    x = 125,693,194.35

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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.