Home / 128,261,326.68-177,002,898.30-69,525,942.48

Finding the Fourth Proportional to 128,261,326.68, 177,002,898.30 and 69,525,942.48

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Solution

The fourth proportional to 128,261,326.68, 177,002,898.30 and 69,525,942.48 is: 95,947,029.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,261,326.68 : 177,002,898.30 = 69,525,942.48 : x
  2. Step 2: Convert to fraction form
    128,261,326.68/177,002,898.30 = 69,525,942.48/x
  3. Step 3: Cross multiply
    128,261,326.68x = 177,002,898.30 × 69,525,942.48
  4. Step 4: Simplify right side
    128,261,326.68x = 12,306,293,325,999,092
  5. Step 5: Solve for x
    x = 12,306,293,325,999,092/128,261,326.68
  6. Step 6: Final answer
    x = 95,947,029.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.