Home / 113,536,006.60-170,304,009.90-90,861,190.60

Finding the Fourth Proportional to 113,536,006.60, 170,304,009.90 and 90,861,190.60

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Solution

The fourth proportional to 113,536,006.60, 170,304,009.90 and 90,861,190.60 is: 136,291,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,536,006.60 : 170,304,009.90 = 90,861,190.60 : x
  2. Step 2: Convert to fraction form
    113,536,006.60/170,304,009.90 = 90,861,190.60/x
  3. Step 3: Cross multiply
    113,536,006.60x = 170,304,009.90 × 90,861,190.60
  4. Step 4: Simplify right side
    113,536,006.60x = 15,474,025,103,468,186
  5. Step 5: Solve for x
    x = 15,474,025,103,468,186/113,536,006.60
  6. Step 6: Final answer
    x = 136,291,785.90

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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.