Home / 201,204,479.10-301,806,718.65-71,816,310.30

Finding the Fourth Proportional to 201,204,479.10, 301,806,718.65 and 71,816,310.30

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Solution

The fourth proportional to 201,204,479.10, 301,806,718.65 and 71,816,310.30 is: 107,724,465.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,479.10 : 301,806,718.65 = 71,816,310.30 : x
  2. Step 2: Convert to fraction form
    201,204,479.10/301,806,718.65 = 71,816,310.30/x
  3. Step 3: Cross multiply
    201,204,479.10x = 301,806,718.65 × 71,816,310.30
  4. Step 4: Simplify right side
    201,204,479.10x = 21,674,644,957,193,196
  5. Step 5: Solve for x
    x = 21,674,644,957,193,196/201,204,479.10
  6. Step 6: Final answer
    x = 107,724,465.45

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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.