Home / 49,906,942.30-74,860,413.45-42,600,612.70

Finding the Fourth Proportional to 49,906,942.30, 74,860,413.45 and 42,600,612.70

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Solution

The fourth proportional to 49,906,942.30, 74,860,413.45 and 42,600,612.70 is: 63,900,919.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,906,942.30 : 74,860,413.45 = 42,600,612.70 : x
  2. Step 2: Convert to fraction form
    49,906,942.30/74,860,413.45 = 42,600,612.70/x
  3. Step 3: Cross multiply
    49,906,942.30x = 74,860,413.45 × 42,600,612.70
  4. Step 4: Simplify right side
    49,906,942.30x = 3,189,099,479,945,321
  5. Step 5: Solve for x
    x = 3,189,099,479,945,321/49,906,942.30
  6. Step 6: Final answer
    x = 63,900,919.05

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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.