Home / 128,627,124.91-192,940,305.62-36,510,940.94

Finding the Fourth Proportional to 128,627,124.91, 192,940,305.62 and 36,510,940.94

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Solution

The fourth proportional to 128,627,124.91, 192,940,305.62 and 36,510,940.94 is: 54,766,303.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,627,124.91 : 192,940,305.62 = 36,510,940.94 : x
  2. Step 2: Convert to fraction form
    128,627,124.91/192,940,305.62 = 36,510,940.94/x
  3. Step 3: Cross multiply
    128,627,124.91x = 192,940,305.62 × 36,510,940.94
  4. Step 4: Simplify right side
    128,627,124.91x = 7,044,432,104,343,494
  5. Step 5: Solve for x
    x = 7,044,432,104,343,494/128,627,124.91
  6. Step 6: Final answer
    x = 54,766,303.06

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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.