Home / 113,603,193.20-170,404,789.80-99,573,150.80

Finding the Fourth Proportional to 113,603,193.20, 170,404,789.80 and 99,573,150.80

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Solution

The fourth proportional to 113,603,193.20, 170,404,789.80 and 99,573,150.80 is: 149,359,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,603,193.20 : 170,404,789.80 = 99,573,150.80 : x
  2. Step 2: Convert to fraction form
    113,603,193.20/170,404,789.80 = 99,573,150.80/x
  3. Step 3: Cross multiply
    113,603,193.20x = 170,404,789.80 × 99,573,150.80
  4. Step 4: Simplify right side
    113,603,193.20x = 16,967,741,831,797,702
  5. Step 5: Solve for x
    x = 16,967,741,831,797,702/113,603,193.20
  6. Step 6: Final answer
    x = 149,359,726.20

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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.