Home / 66,504,942.40-99,757,413.60-62,809,787.20

Finding the Fourth Proportional to 66,504,942.40, 99,757,413.60 and 62,809,787.20

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Solution

The fourth proportional to 66,504,942.40, 99,757,413.60 and 62,809,787.20 is: 94,214,680.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,504,942.40 : 99,757,413.60 = 62,809,787.20 : x
  2. Step 2: Convert to fraction form
    66,504,942.40/99,757,413.60 = 62,809,787.20/x
  3. Step 3: Cross multiply
    66,504,942.40x = 99,757,413.60 × 62,809,787.20
  4. Step 4: Simplify right side
    66,504,942.40x = 6,265,741,919,838,386
  5. Step 5: Solve for x
    x = 6,265,741,919,838,386/66,504,942.40
  6. Step 6: Final answer
    x = 94,214,680.80

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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.