Home / 89,173,662.40-133,760,493.60-75,568,772.80

Finding the Fourth Proportional to 89,173,662.40, 133,760,493.60 and 75,568,772.80

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Solution

The fourth proportional to 89,173,662.40, 133,760,493.60 and 75,568,772.80 is: 113,353,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,173,662.40 : 133,760,493.60 = 75,568,772.80 : x
  2. Step 2: Convert to fraction form
    89,173,662.40/133,760,493.60 = 75,568,772.80/x
  3. Step 3: Cross multiply
    89,173,662.40x = 133,760,493.60 × 75,568,772.80
  4. Step 4: Simplify right side
    89,173,662.40x = 10,108,116,350,474,254
  5. Step 5: Solve for x
    x = 10,108,116,350,474,254/89,173,662.40
  6. Step 6: Final answer
    x = 113,353,159.20

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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.