Home / 101,040,423.60-151,560,635.40-90,836,756.40

Finding the Fourth Proportional to 101,040,423.60, 151,560,635.40 and 90,836,756.40

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Solution

The fourth proportional to 101,040,423.60, 151,560,635.40 and 90,836,756.40 is: 136,255,134.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,040,423.60 : 151,560,635.40 = 90,836,756.40 : x
  2. Step 2: Convert to fraction form
    101,040,423.60/151,560,635.40 = 90,836,756.40/x
  3. Step 3: Cross multiply
    101,040,423.60x = 151,560,635.40 × 90,836,756.40
  4. Step 4: Simplify right side
    101,040,423.60x = 13,767,276,517,659,018
  5. Step 5: Solve for x
    x = 13,767,276,517,659,018/101,040,423.60
  6. Step 6: Final answer
    x = 136,255,134.60

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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.