Home / 199,331,298.70-298,996,948.05-145,583,586.70

Finding the Fourth Proportional to 199,331,298.70, 298,996,948.05 and 145,583,586.70

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Solution

The fourth proportional to 199,331,298.70, 298,996,948.05 and 145,583,586.70 is: 218,375,380.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,331,298.70 : 298,996,948.05 = 145,583,586.70 : x
  2. Step 2: Convert to fraction form
    199,331,298.70/298,996,948.05 = 145,583,586.70/x
  3. Step 3: Cross multiply
    199,331,298.70x = 298,996,948.05 × 145,583,586.70
  4. Step 4: Simplify right side
    199,331,298.70x = 43,529,048,109,472,568
  5. Step 5: Solve for x
    x = 43,529,048,109,472,568/199,331,298.70
  6. Step 6: Final answer
    x = 218,375,380.05

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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.