Home / 72,535,745.70-108,803,618.55-48,195,747.90

Finding the Fourth Proportional to 72,535,745.70, 108,803,618.55 and 48,195,747.90

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Solution

The fourth proportional to 72,535,745.70, 108,803,618.55 and 48,195,747.90 is: 72,293,621.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,535,745.70 : 108,803,618.55 = 48,195,747.90 : x
  2. Step 2: Convert to fraction form
    72,535,745.70/108,803,618.55 = 48,195,747.90/x
  3. Step 3: Cross multiply
    72,535,745.70x = 108,803,618.55 × 48,195,747.90
  4. Step 4: Simplify right side
    72,535,745.70x = 5,243,871,770,243,563
  5. Step 5: Solve for x
    x = 5,243,871,770,243,563/72,535,745.70
  6. Step 6: Final answer
    x = 72,293,621.85

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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.