Home / 76,589,144.12-105,678,563.68-45,652,192.04

Finding the Fourth Proportional to 76,589,144.12, 105,678,563.68 and 45,652,192.04

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Solution

The fourth proportional to 76,589,144.12, 105,678,563.68 and 45,652,192.04 is: 62,991,408.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,589,144.12 : 105,678,563.68 = 45,652,192.04 : x
  2. Step 2: Convert to fraction form
    76,589,144.12/105,678,563.68 = 45,652,192.04/x
  3. Step 3: Cross multiply
    76,589,144.12x = 105,678,563.68 × 45,652,192.04
  4. Step 4: Simplify right side
    76,589,144.12x = 4,824,458,083,630,729
  5. Step 5: Solve for x
    x = 4,824,458,083,630,729/76,589,144.12
  6. Step 6: Final answer
    x = 62,991,408.76

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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.