Home / 128,548,046.37-192,829,356.82-41,117,242.93

Finding the Fourth Proportional to 128,548,046.37, 192,829,356.82 and 41,117,242.93

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Solution

The fourth proportional to 128,548,046.37, 192,829,356.82 and 41,117,242.93 is: 61,678,195.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,548,046.37 : 192,829,356.82 = 41,117,242.93 : x
  2. Step 2: Convert to fraction form
    128,548,046.37/192,829,356.82 = 41,117,242.93/x
  3. Step 3: Cross multiply
    128,548,046.37x = 192,829,356.82 × 41,117,242.93
  4. Step 4: Simplify right side
    128,548,046.37x = 7,928,611,508,942,040
  5. Step 5: Solve for x
    x = 7,928,611,508,942,040/128,548,046.37
  6. Step 6: Final answer
    x = 61,678,195.30

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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.