Home / 261,664,413.46-361,099,311.98-144,193,947.37

Finding the Fourth Proportional to 261,664,413.46, 361,099,311.98 and 144,193,947.37

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Solution

The fourth proportional to 261,664,413.46, 361,099,311.98 and 144,193,947.37 is: 198,988,981.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,664,413.46 : 361,099,311.98 = 144,193,947.37 : x
  2. Step 2: Convert to fraction form
    261,664,413.46/361,099,311.98 = 144,193,947.37/x
  3. Step 3: Cross multiply
    261,664,413.46x = 361,099,311.98 × 144,193,947.37
  4. Step 4: Simplify right side
    261,664,413.46x = 52,068,335,185,363,616
  5. Step 5: Solve for x
    x = 52,068,335,185,363,616/261,664,413.46
  6. Step 6: Final answer
    x = 198,988,981.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.