Home / 128,091,580.98-192,149,183.10-41,830,439.82

Finding the Fourth Proportional to 128,091,580.98, 192,149,183.10 and 41,830,439.82

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Solution

The fourth proportional to 128,091,580.98, 192,149,183.10 and 41,830,439.82 is: 62,749,517.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,091,580.98 : 192,149,183.10 = 41,830,439.82 : x
  2. Step 2: Convert to fraction form
    128,091,580.98/192,149,183.10 = 41,830,439.82/x
  3. Step 3: Cross multiply
    128,091,580.98x = 192,149,183.10 × 41,830,439.82
  4. Step 4: Simplify right side
    128,091,580.98x = 8,037,684,840,126,711
  5. Step 5: Solve for x
    x = 8,037,684,840,126,711/128,091,580.98
  6. Step 6: Final answer
    x = 62,749,517.01

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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.