Home / 128,261,329.93-177,002,902.79-69,525,945.73

Finding the Fourth Proportional to 128,261,329.93, 177,002,902.79 and 69,525,945.73

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Solution

The fourth proportional to 128,261,329.93, 177,002,902.79 and 69,525,945.73 is: 95,947,034.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,261,329.93 : 177,002,902.79 = 69,525,945.73 : x
  2. Step 2: Convert to fraction form
    128,261,329.93/177,002,902.79 = 69,525,945.73/x
  3. Step 3: Cross multiply
    128,261,329.93x = 177,002,902.79 × 69,525,945.73
  4. Step 4: Simplify right side
    128,261,329.93x = 12,306,294,213,430,006
  5. Step 5: Solve for x
    x = 12,306,294,213,430,006/128,261,329.93
  6. Step 6: Final answer
    x = 95,947,034.23

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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.