Home / 200,371,901.22-300,348,078.63-83,854,015.38

Finding the Fourth Proportional to 200,371,901.22, 300,348,078.63 and 83,854,015.38

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Solution

The fourth proportional to 200,371,901.22, 300,348,078.63 and 83,854,015.38 is: 125,693,234.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,371,901.22 : 300,348,078.63 = 83,854,015.38 : x
  2. Step 2: Convert to fraction form
    200,371,901.22/300,348,078.63 = 83,854,015.38/x
  3. Step 3: Cross multiply
    200,371,901.22x = 300,348,078.63 × 83,854,015.38
  4. Step 4: Simplify right side
    200,371,901.22x = 25,185,392,404,793,468
  5. Step 5: Solve for x
    x = 25,185,392,404,793,468/200,371,901.22
  6. Step 6: Final answer
    x = 125,693,234.69

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1.5x scale

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.