Home / 199,135,619.40-298,703,429.10-186,381,035.40

Finding the Fourth Proportional to 199,135,619.40, 298,703,429.10 and 186,381,035.40

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Solution

The fourth proportional to 199,135,619.40, 298,703,429.10 and 186,381,035.40 is: 279,571,553.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,135,619.40 : 298,703,429.10 = 186,381,035.40 : x
  2. Step 2: Convert to fraction form
    199,135,619.40/298,703,429.10 = 186,381,035.40/x
  3. Step 3: Cross multiply
    199,135,619.40x = 298,703,429.10 × 186,381,035.40
  4. Step 4: Simplify right side
    199,135,619.40x = 55,672,654,393,188,496
  5. Step 5: Solve for x
    x = 55,672,654,393,188,496/199,135,619.40
  6. Step 6: Final answer
    x = 279,571,553.10

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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.