Home / 101,765,350.20-152,665,050.19-79,904,847.25

Finding the Fourth Proportional to 101,765,350.20, 152,665,050.19 and 79,904,847.25

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Solution

The fourth proportional to 101,765,350.20, 152,665,050.19 and 79,904,847.25 is: 119,870,638.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,765,350.20 : 152,665,050.19 = 79,904,847.25 : x
  2. Step 2: Convert to fraction form
    101,765,350.20/152,665,050.19 = 79,904,847.25/x
  3. Step 3: Cross multiply
    101,765,350.20x = 152,665,050.19 × 79,904,847.25
  4. Step 4: Simplify right side
    101,765,350.20x = 12,198,677,515,845,534
  5. Step 5: Solve for x
    x = 12,198,677,515,845,534/101,765,350.20
  6. Step 6: Final answer
    x = 119,870,638.60

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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.