Home / 89,540,141.20-134,310,211.80-87,549,485.20

Finding the Fourth Proportional to 89,540,141.20, 134,310,211.80 and 87,549,485.20

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Solution

The fourth proportional to 89,540,141.20, 134,310,211.80 and 87,549,485.20 is: 131,324,227.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,540,141.20 : 134,310,211.80 = 87,549,485.20 : x
  2. Step 2: Convert to fraction form
    89,540,141.20/134,310,211.80 = 87,549,485.20/x
  3. Step 3: Cross multiply
    89,540,141.20x = 134,310,211.80 × 87,549,485.20
  4. Step 4: Simplify right side
    89,540,141.20x = 11,758,789,900,192,966
  5. Step 5: Solve for x
    x = 11,758,789,900,192,966/89,540,141.20
  6. Step 6: Final answer
    x = 131,324,227.80

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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.