Home / 55,120,847.80-82,681,271.70-38,681,606.20

Finding the Fourth Proportional to 55,120,847.80, 82,681,271.70 and 38,681,606.20

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Solution

The fourth proportional to 55,120,847.80, 82,681,271.70 and 38,681,606.20 is: 58,022,409.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,120,847.80 : 82,681,271.70 = 38,681,606.20 : x
  2. Step 2: Convert to fraction form
    55,120,847.80/82,681,271.70 = 38,681,606.20/x
  3. Step 3: Cross multiply
    55,120,847.80x = 82,681,271.70 × 38,681,606.20
  4. Step 4: Simplify right side
    55,120,847.80x = 3,198,244,392,014,605
  5. Step 5: Solve for x
    x = 3,198,244,392,014,605/55,120,847.80
  6. Step 6: Final answer
    x = 58,022,409.30

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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.