Home / 201,204,007.20-301,806,010.80-193,551,256.80

Finding the Fourth Proportional to 201,204,007.20, 301,806,010.80 and 193,551,256.80

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Solution

The fourth proportional to 201,204,007.20, 301,806,010.80 and 193,551,256.80 is: 290,326,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,007.20 : 301,806,010.80 = 193,551,256.80 : x
  2. Step 2: Convert to fraction form
    201,204,007.20/301,806,010.80 = 193,551,256.80/x
  3. Step 3: Cross multiply
    201,204,007.20x = 301,806,010.80 × 193,551,256.80
  4. Step 4: Simplify right side
    201,204,007.20x = 58,414,932,700,134,376
  5. Step 5: Solve for x
    x = 58,414,932,700,134,376/201,204,007.20
  6. Step 6: Final answer
    x = 290,326,885.20

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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.