Home / 115,358,528.80-173,037,793.20-111,327,450.40

Finding the Fourth Proportional to 115,358,528.80, 173,037,793.20 and 111,327,450.40

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Solution

The fourth proportional to 115,358,528.80, 173,037,793.20 and 111,327,450.40 is: 166,991,175.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,358,528.80 : 173,037,793.20 = 111,327,450.40 : x
  2. Step 2: Convert to fraction form
    115,358,528.80/173,037,793.20 = 111,327,450.40/x
  3. Step 3: Cross multiply
    115,358,528.80x = 173,037,793.20 × 111,327,450.40
  4. Step 4: Simplify right side
    115,358,528.80x = 19,263,856,339,798,456
  5. Step 5: Solve for x
    x = 19,263,856,339,798,456/115,358,528.80
  6. Step 6: Final answer
    x = 166,991,175.60

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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.