Home / 135,658,108.80-203,487,163.20-84,002,043.60

Finding the Fourth Proportional to 135,658,108.80, 203,487,163.20 and 84,002,043.60

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Solution

The fourth proportional to 135,658,108.80, 203,487,163.20 and 84,002,043.60 is: 126,003,065.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,658,108.80 : 203,487,163.20 = 84,002,043.60 : x
  2. Step 2: Convert to fraction form
    135,658,108.80/203,487,163.20 = 84,002,043.60/x
  3. Step 3: Cross multiply
    135,658,108.80x = 203,487,163.20 × 84,002,043.60
  4. Step 4: Simplify right side
    135,658,108.80x = 17,093,337,555,166,714
  5. Step 5: Solve for x
    x = 17,093,337,555,166,714/135,658,108.80
  6. Step 6: Final answer
    x = 126,003,065.40

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1.5x scale

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.