Home / 130,671,211.20-196,101,295.20-73,102,372.80

Finding the Fourth Proportional to 130,671,211.20, 196,101,295.20 and 73,102,372.80

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Solution

The fourth proportional to 130,671,211.20, 196,101,295.20 and 73,102,372.80 is: 109,706,413.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,671,211.20 : 196,101,295.20 = 73,102,372.80 : x
  2. Step 2: Convert to fraction form
    130,671,211.20/196,101,295.20 = 73,102,372.80/x
  3. Step 3: Cross multiply
    130,671,211.20x = 196,101,295.20 × 73,102,372.80
  4. Step 4: Simplify right side
    130,671,211.20x = 14,335,469,988,273,250
  5. Step 5: Solve for x
    x = 14,335,469,988,273,250/130,671,211.20
  6. Step 6: Final answer
    x = 109,706,413.96

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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.