Home / 206,376,413.60-309,564,620.40-83,554,493.60

Finding the Fourth Proportional to 206,376,413.60, 309,564,620.40 and 83,554,493.60

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Solution

The fourth proportional to 206,376,413.60, 309,564,620.40 and 83,554,493.60 is: 125,331,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,376,413.60 : 309,564,620.40 = 83,554,493.60 : x
  2. Step 2: Convert to fraction form
    206,376,413.60/309,564,620.40 = 83,554,493.60/x
  3. Step 3: Cross multiply
    206,376,413.60x = 309,564,620.40 × 83,554,493.60
  4. Step 4: Simplify right side
    206,376,413.60x = 25,865,515,093,998,224
  5. Step 5: Solve for x
    x = 25,865,515,093,998,224/206,376,413.60
  6. Step 6: Final answer
    x = 125,331,740.40

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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.