Home / 128,063,107.80-192,099,976.11-37,186,696.80

Finding the Fourth Proportional to 128,063,107.80, 192,099,976.11 and 37,186,696.80

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Solution

The fourth proportional to 128,063,107.80, 192,099,976.11 and 37,186,696.80 is: 55,781,588.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,063,107.80 : 192,099,976.11 = 37,186,696.80 : x
  2. Step 2: Convert to fraction form
    128,063,107.80/192,099,976.11 = 37,186,696.80/x
  3. Step 3: Cross multiply
    128,063,107.80x = 192,099,976.11 × 37,186,696.80
  4. Step 4: Simplify right side
    128,063,107.80x = 7,143,563,566,889,813
  5. Step 5: Solve for x
    x = 7,143,563,566,889,813/128,063,107.80
  6. Step 6: Final answer
    x = 55,781,588.39

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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.