Home / 40,272,945.40-60,448,739.70-20,100,964.60

Finding the Fourth Proportional to 40,272,945.40, 60,448,739.70 and 20,100,964.60

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Solution

The fourth proportional to 40,272,945.40, 60,448,739.70 and 20,100,964.60 is: 30,171,073.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,272,945.40 : 60,448,739.70 = 20,100,964.60 : x
  2. Step 2: Convert to fraction form
    40,272,945.40/60,448,739.70 = 20,100,964.60/x
  3. Step 3: Cross multiply
    40,272,945.40x = 60,448,739.70 × 20,100,964.60
  4. Step 4: Simplify right side
    40,272,945.40x = 1,215,077,976,824,314.75
  5. Step 5: Solve for x
    x = 1,215,077,976,824,314.75/40,272,945.40
  6. Step 6: Final answer
    x = 30,171,073.03

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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.