Home / 192,458,532.94-288,690,161.06-127,296,780.46

Finding the Fourth Proportional to 192,458,532.94, 288,690,161.06 and 127,296,780.46

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Solution

The fourth proportional to 192,458,532.94, 288,690,161.06 and 127,296,780.46 is: 190,946,732.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,458,532.94 : 288,690,161.06 = 127,296,780.46 : x
  2. Step 2: Convert to fraction form
    192,458,532.94/288,690,161.06 = 127,296,780.46/x
  3. Step 3: Cross multiply
    192,458,532.94x = 288,690,161.06 × 127,296,780.46
  4. Step 4: Simplify right side
    192,458,532.94x = 36,749,328,053,013,376
  5. Step 5: Solve for x
    x = 36,749,328,053,013,376/192,458,532.94
  6. Step 6: Final answer
    x = 190,946,732.74

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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.