Home / 236,280,128.40-354,420,192.60-203,968,515.60

Finding the Fourth Proportional to 236,280,128.40, 354,420,192.60 and 203,968,515.60

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Solution

The fourth proportional to 236,280,128.40, 354,420,192.60 and 203,968,515.60 is: 305,952,773.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,280,128.40 : 354,420,192.60 = 203,968,515.60 : x
  2. Step 2: Convert to fraction form
    236,280,128.40/354,420,192.60 = 203,968,515.60/x
  3. Step 3: Cross multiply
    236,280,128.40x = 354,420,192.60 × 203,968,515.60
  4. Step 4: Simplify right side
    236,280,128.40x = 72,290,560,583,288,112
  5. Step 5: Solve for x
    x = 72,290,560,583,288,112/236,280,128.40
  6. Step 6: Final answer
    x = 305,952,773.40

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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.