Home / 201,204,542.10-301,806,813.15-71,816,373.30

Finding the Fourth Proportional to 201,204,542.10, 301,806,813.15 and 71,816,373.30

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Solution

The fourth proportional to 201,204,542.10, 301,806,813.15 and 71,816,373.30 is: 107,724,559.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,542.10 : 301,806,813.15 = 71,816,373.30 : x
  2. Step 2: Convert to fraction form
    201,204,542.10/301,806,813.15 = 71,816,373.30/x
  3. Step 3: Cross multiply
    201,204,542.10x = 301,806,813.15 × 71,816,373.30
  4. Step 4: Simplify right side
    201,204,542.10x = 21,674,670,757,663,748
  5. Step 5: Solve for x
    x = 21,674,670,757,663,748/201,204,542.10
  6. Step 6: Final answer
    x = 107,724,559.95

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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.