Home / 96,777,645.20-144,998,506.20-90,731,027.60

Finding the Fourth Proportional to 96,777,645.20, 144,998,506.20 and 90,731,027.60

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Solution

The fourth proportional to 96,777,645.20, 144,998,506.20 and 90,731,027.60 is: 135,939,073.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,777,645.20 : 144,998,506.20 = 90,731,027.60 : x
  2. Step 2: Convert to fraction form
    96,777,645.20/144,998,506.20 = 90,731,027.60/x
  3. Step 3: Cross multiply
    96,777,645.20x = 144,998,506.20 × 90,731,027.60
  4. Step 4: Simplify right side
    96,777,645.20x = 13,155,863,467,990,970
  5. Step 5: Solve for x
    x = 13,155,863,467,990,970/96,777,645.20
  6. Step 6: Final answer
    x = 135,939,073.95

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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.