Home / 128,196,032.10-192,289,382.55-51,498,233.70

Finding the Fourth Proportional to 128,196,032.10, 192,289,382.55 and 51,498,233.70

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Solution

The fourth proportional to 128,196,032.10, 192,289,382.55 and 51,498,233.70 is: 77,245,476.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,196,032.10 : 192,289,382.55 = 51,498,233.70 : x
  2. Step 2: Convert to fraction form
    128,196,032.10/192,289,382.55 = 51,498,233.70/x
  3. Step 3: Cross multiply
    128,196,032.10x = 192,289,382.55 × 51,498,233.70
  4. Step 4: Simplify right side
    128,196,032.10x = 9,902,563,560,588,604
  5. Step 5: Solve for x
    x = 9,902,563,560,588,604/128,196,032.10
  6. Step 6: Final answer
    x = 77,245,476.31

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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.