Home / 200,809,979.40-301,414,034.70-98,689,326.60

Finding the Fourth Proportional to 200,809,979.40, 301,414,034.70 and 98,689,326.60

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Solution

The fourth proportional to 200,809,979.40, 301,414,034.70 and 98,689,326.60 is: 148,131,821.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,809,979.40 : 301,414,034.70 = 98,689,326.60 : x
  2. Step 2: Convert to fraction form
    200,809,979.40/301,414,034.70 = 98,689,326.60/x
  3. Step 3: Cross multiply
    200,809,979.40x = 301,414,034.70 × 98,689,326.60
  4. Step 4: Simplify right side
    200,809,979.40x = 29,746,348,112,332,032
  5. Step 5: Solve for x
    x = 29,746,348,112,332,032/200,809,979.40
  6. Step 6: Final answer
    x = 148,131,821.94

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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.