Home / 89,581,129.44-123,625,894.32-50,425,432.80

Finding the Fourth Proportional to 89,581,129.44, 123,625,894.32 and 50,425,432.80

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Solution

The fourth proportional to 89,581,129.44, 123,625,894.32 and 50,425,432.80 is: 69,589,312.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,581,129.44 : 123,625,894.32 = 50,425,432.80 : x
  2. Step 2: Convert to fraction form
    89,581,129.44/123,625,894.32 = 50,425,432.80/x
  3. Step 3: Cross multiply
    89,581,129.44x = 123,625,894.32 × 50,425,432.80
  4. Step 4: Simplify right side
    89,581,129.44x = 6,233,889,226,373,061
  5. Step 5: Solve for x
    x = 6,233,889,226,373,061/89,581,129.44
  6. Step 6: Final answer
    x = 69,589,312.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.