Home / 89,540,056.70-134,310,085.05-87,549,400.70

Finding the Fourth Proportional to 89,540,056.70, 134,310,085.05 and 87,549,400.70

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Solution

The fourth proportional to 89,540,056.70, 134,310,085.05 and 87,549,400.70 is: 131,324,101.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,540,056.70 : 134,310,085.05 = 87,549,400.70 : x
  2. Step 2: Convert to fraction form
    89,540,056.70/134,310,085.05 = 87,549,400.70/x
  3. Step 3: Cross multiply
    89,540,056.70x = 134,310,085.05 × 87,549,400.70
  4. Step 4: Simplify right side
    89,540,056.70x = 11,758,767,454,093,530
  5. Step 5: Solve for x
    x = 11,758,767,454,093,530/89,540,056.70
  6. Step 6: Final answer
    x = 131,324,101.05

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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.