Home / 186,720,413.52-257,365,773.72-124,818,165.84

Finding the Fourth Proportional to 186,720,413.52, 257,365,773.72 and 124,818,165.84

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Solution

The fourth proportional to 186,720,413.52, 257,365,773.72 and 124,818,165.84 is: 172,042,912.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,720,413.52 : 257,365,773.72 = 124,818,165.84 : x
  2. Step 2: Convert to fraction form
    186,720,413.52/257,365,773.72 = 124,818,165.84/x
  3. Step 3: Cross multiply
    186,720,413.52x = 257,365,773.72 × 124,818,165.84
  4. Step 4: Simplify right side
    186,720,413.52x = 32,123,923,825,722,876
  5. Step 5: Solve for x
    x = 32,123,923,825,722,876/186,720,413.52
  6. Step 6: Final answer
    x = 172,042,912.82

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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.