Home / 138,094,084.92-207,168,415.03-50,656,413.77

Finding the Fourth Proportional to 138,094,084.92, 207,168,415.03 and 50,656,413.77

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Solution

The fourth proportional to 138,094,084.92, 207,168,415.03 and 50,656,413.77 is: 75,994,630.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,094,084.92 : 207,168,415.03 = 50,656,413.77 : x
  2. Step 2: Convert to fraction form
    138,094,084.92/207,168,415.03 = 50,656,413.77/x
  3. Step 3: Cross multiply
    138,094,084.92x = 207,168,415.03 × 50,656,413.77
  4. Step 4: Simplify right side
    138,094,084.92x = 10,494,408,951,834,768
  5. Step 5: Solve for x
    x = 10,494,408,951,834,768/138,094,084.92
  6. Step 6: Final answer
    x = 75,994,630.46

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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.