Home / 65,577,301.20-98,365,951.80-20,133,190.80

Finding the Fourth Proportional to 65,577,301.20, 98,365,951.80 and 20,133,190.80

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Solution

The fourth proportional to 65,577,301.20, 98,365,951.80 and 20,133,190.80 is: 30,199,786.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,577,301.20 : 98,365,951.80 = 20,133,190.80 : x
  2. Step 2: Convert to fraction form
    65,577,301.20/98,365,951.80 = 20,133,190.80/x
  3. Step 3: Cross multiply
    65,577,301.20x = 98,365,951.80 × 20,133,190.80
  4. Step 4: Simplify right side
    65,577,301.20x = 1,980,420,475,813,003.50
  5. Step 5: Solve for x
    x = 1,980,420,475,813,003.50/65,577,301.20
  6. Step 6: Final answer
    x = 30,199,786.20

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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.