Home / 193,103,998.20-289,655,997.30-47,536,403.40

Finding the Fourth Proportional to 193,103,998.20, 289,655,997.30 and 47,536,403.40

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Solution

The fourth proportional to 193,103,998.20, 289,655,997.30 and 47,536,403.40 is: 71,304,605.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,103,998.20 : 289,655,997.30 = 47,536,403.40 : x
  2. Step 2: Convert to fraction form
    193,103,998.20/289,655,997.30 = 47,536,403.40/x
  3. Step 3: Cross multiply
    193,103,998.20x = 289,655,997.30 × 47,536,403.40
  4. Step 4: Simplify right side
    193,103,998.20x = 13,769,204,334,882,110
  5. Step 5: Solve for x
    x = 13,769,204,334,882,110/193,103,998.20
  6. Step 6: Final answer
    x = 71,304,605.10

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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.