Home / 201,204,129.60-301,806,194.40-71,815,960.80

Finding the Fourth Proportional to 201,204,129.60, 301,806,194.40 and 71,815,960.80

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Solution

The fourth proportional to 201,204,129.60, 301,806,194.40 and 71,815,960.80 is: 107,723,941.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,129.60 : 301,806,194.40 = 71,815,960.80 : x
  2. Step 2: Convert to fraction form
    201,204,129.60/301,806,194.40 = 71,815,960.80/x
  3. Step 3: Cross multiply
    201,204,129.60x = 301,806,194.40 × 71,815,960.80
  4. Step 4: Simplify right side
    201,204,129.60x = 21,674,501,826,227,576
  5. Step 5: Solve for x
    x = 21,674,501,826,227,576/201,204,129.60
  6. Step 6: Final answer
    x = 107,723,941.20

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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.