Home / 67,280,773.80-100,921,160.70-45,757,413.30

Finding the Fourth Proportional to 67,280,773.80, 100,921,160.70 and 45,757,413.30

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Solution

The fourth proportional to 67,280,773.80, 100,921,160.70 and 45,757,413.30 is: 68,636,119.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,280,773.80 : 100,921,160.70 = 45,757,413.30 : x
  2. Step 2: Convert to fraction form
    67,280,773.80/100,921,160.70 = 45,757,413.30/x
  3. Step 3: Cross multiply
    67,280,773.80x = 100,921,160.70 × 45,757,413.30
  4. Step 4: Simplify right side
    67,280,773.80x = 4,617,891,260,865,617
  5. Step 5: Solve for x
    x = 4,617,891,260,865,617/67,280,773.80
  6. Step 6: Final answer
    x = 68,636,119.95

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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.