Home / 99,654,416.80-149,481,625.20-55,890,250.45

Finding the Fourth Proportional to 99,654,416.80, 149,481,625.20 and 55,890,250.45

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Solution

The fourth proportional to 99,654,416.80, 149,481,625.20 and 55,890,250.45 is: 83,835,375.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,654,416.80 : 149,481,625.20 = 55,890,250.45 : x
  2. Step 2: Convert to fraction form
    99,654,416.80/149,481,625.20 = 55,890,250.45/x
  3. Step 3: Cross multiply
    99,654,416.80x = 149,481,625.20 × 55,890,250.45
  4. Step 4: Simplify right side
    99,654,416.80x = 8,354,565,470,101,031
  5. Step 5: Solve for x
    x = 8,354,565,470,101,031/99,654,416.80
  6. Step 6: Final answer
    x = 83,835,375.68

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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.