Home / 159,609,900.40-239,414,850.60-86,798,546.80

Finding the Fourth Proportional to 159,609,900.40, 239,414,850.60 and 86,798,546.80

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Solution

The fourth proportional to 159,609,900.40, 239,414,850.60 and 86,798,546.80 is: 130,197,820.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,609,900.40 : 239,414,850.60 = 86,798,546.80 : x
  2. Step 2: Convert to fraction form
    159,609,900.40/239,414,850.60 = 86,798,546.80/x
  3. Step 3: Cross multiply
    159,609,900.40x = 239,414,850.60 × 86,798,546.80
  4. Step 4: Simplify right side
    159,609,900.40x = 20,780,861,114,419,108
  5. Step 5: Solve for x
    x = 20,780,861,114,419,108/159,609,900.40
  6. Step 6: Final answer
    x = 130,197,820.20

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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.