Home / 128,304,093.10-192,456,139.65-51,682,110.70

Finding the Fourth Proportional to 128,304,093.10, 192,456,139.65 and 51,682,110.70

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Solution

The fourth proportional to 128,304,093.10, 192,456,139.65 and 51,682,110.70 is: 77,523,166.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,304,093.10 : 192,456,139.65 = 51,682,110.70 : x
  2. Step 2: Convert to fraction form
    128,304,093.10/192,456,139.65 = 51,682,110.70/x
  3. Step 3: Cross multiply
    128,304,093.10x = 192,456,139.65 × 51,682,110.70
  4. Step 4: Simplify right side
    128,304,093.10x = 9,946,539,514,285,960
  5. Step 5: Solve for x
    x = 9,946,539,514,285,960/128,304,093.10
  6. Step 6: Final answer
    x = 77,523,166.05

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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.