Home / 199,303,553.40-298,731,381.30-102,221,748.60

Finding the Fourth Proportional to 199,303,553.40, 298,731,381.30 and 102,221,748.60

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Solution

The fourth proportional to 199,303,553.40, 298,731,381.30 and 102,221,748.60 is: 153,217,760.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,303,553.40 : 298,731,381.30 = 102,221,748.60 : x
  2. Step 2: Convert to fraction form
    199,303,553.40/298,731,381.30 = 102,221,748.60/x
  3. Step 3: Cross multiply
    199,303,553.40x = 298,731,381.30 × 102,221,748.60
  4. Step 4: Simplify right side
    199,303,553.40x = 30,536,844,158,179,340
  5. Step 5: Solve for x
    x = 30,536,844,158,179,340/199,303,553.40
  6. Step 6: Final answer
    x = 153,217,760.73

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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.