Home / 55,431,000.80-83,052,022.80-47,305,858.40

Finding the Fourth Proportional to 55,431,000.80, 83,052,022.80 and 47,305,858.40

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Solution

The fourth proportional to 55,431,000.80, 83,052,022.80 and 47,305,858.40 is: 70,878,157.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,431,000.80 : 83,052,022.80 = 47,305,858.40 : x
  2. Step 2: Convert to fraction form
    55,431,000.80/83,052,022.80 = 47,305,858.40/x
  3. Step 3: Cross multiply
    55,431,000.80x = 83,052,022.80 × 47,305,858.40
  4. Step 4: Simplify right side
    55,431,000.80x = 3,928,847,230,410,371.50
  5. Step 5: Solve for x
    x = 3,928,847,230,410,371.50/55,431,000.80
  6. Step 6: Final answer
    x = 70,878,157.96

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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.