Home / 60,661,183.50-90,991,775.52-20,271,667.50

Finding the Fourth Proportional to 60,661,183.50, 90,991,775.52 and 20,271,667.50

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Solution

The fourth proportional to 60,661,183.50, 90,991,775.52 and 20,271,667.50 is: 30,407,501.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,661,183.50 : 90,991,775.52 = 20,271,667.50 : x
  2. Step 2: Convert to fraction form
    60,661,183.50/90,991,775.52 = 20,271,667.50/x
  3. Step 3: Cross multiply
    60,661,183.50x = 90,991,775.52 × 20,271,667.50
  4. Step 4: Simplify right side
    60,661,183.50x = 1,844,555,018,576,079.50
  5. Step 5: Solve for x
    x = 1,844,555,018,576,079.50/60,661,183.50
  6. Step 6: Final answer
    x = 30,407,501.34

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1.5x scale

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.