Home / 146,619,413.28-219,976,893.72-69,932,462.40

Finding the Fourth Proportional to 146,619,413.28, 219,976,893.72 and 69,932,462.40

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Solution

The fourth proportional to 146,619,413.28, 219,976,893.72 and 69,932,462.40 is: 104,921,480.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,619,413.28 : 219,976,893.72 = 69,932,462.40 : x
  2. Step 2: Convert to fraction form
    146,619,413.28/219,976,893.72 = 69,932,462.40/x
  3. Step 3: Cross multiply
    146,619,413.28x = 219,976,893.72 × 69,932,462.40
  4. Step 4: Simplify right side
    146,619,413.28x = 15,383,525,848,942,698
  5. Step 5: Solve for x
    x = 15,383,525,848,942,698/146,619,413.28
  6. Step 6: Final answer
    x = 104,921,480.07

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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.