Home / 55,412,086.20-83,202,110.10-42,647,004.60

Finding the Fourth Proportional to 55,412,086.20, 83,202,110.10 and 42,647,004.60

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Solution

The fourth proportional to 55,412,086.20, 83,202,110.10 and 42,647,004.60 is: 64,035,141.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,412,086.20 : 83,202,110.10 = 42,647,004.60 : x
  2. Step 2: Convert to fraction form
    55,412,086.20/83,202,110.10 = 42,647,004.60/x
  3. Step 3: Cross multiply
    55,412,086.20x = 83,202,110.10 × 42,647,004.60
  4. Step 4: Simplify right side
    55,412,086.20x = 3,548,320,772,164,406.50
  5. Step 5: Solve for x
    x = 3,548,320,772,164,406.50/55,412,086.20
  6. Step 6: Final answer
    x = 64,035,141.35

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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.