Home / 89,672,415.70-134,469,257.55-41,134,137.70

Finding the Fourth Proportional to 89,672,415.70, 134,469,257.55 and 41,134,137.70

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Solution

The fourth proportional to 89,672,415.70, 134,469,257.55 and 41,134,137.70 is: 61,683,148.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,672,415.70 : 134,469,257.55 = 41,134,137.70 : x
  2. Step 2: Convert to fraction form
    89,672,415.70/134,469,257.55 = 41,134,137.70/x
  3. Step 3: Cross multiply
    89,672,415.70x = 134,469,257.55 × 41,134,137.70
  4. Step 4: Simplify right side
    89,672,415.70x = 5,531,276,956,478,466
  5. Step 5: Solve for x
    x = 5,531,276,956,478,466/89,672,415.70
  6. Step 6: Final answer
    x = 61,683,148.75

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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.