Home / 201,204,421.80-301,806,632.70-193,268,236.20

Finding the Fourth Proportional to 201,204,421.80, 301,806,632.70 and 193,268,236.20

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Solution

The fourth proportional to 201,204,421.80, 301,806,632.70 and 193,268,236.20 is: 289,902,354.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,421.80 : 301,806,632.70 = 193,268,236.20 : x
  2. Step 2: Convert to fraction form
    201,204,421.80/301,806,632.70 = 193,268,236.20/x
  3. Step 3: Cross multiply
    201,204,421.80x = 301,806,632.70 × 193,268,236.20
  4. Step 4: Simplify right side
    201,204,421.80x = 58,329,635,575,390,240
  5. Step 5: Solve for x
    x = 58,329,635,575,390,240/201,204,421.80
  6. Step 6: Final answer
    x = 289,902,354.30

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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.