Home / 260,910,440.80-391,365,661.20-174,914,101.60

Finding the Fourth Proportional to 260,910,440.80, 391,365,661.20 and 174,914,101.60

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Solution

The fourth proportional to 260,910,440.80, 391,365,661.20 and 174,914,101.60 is: 262,371,152.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,910,440.80 : 391,365,661.20 = 174,914,101.60 : x
  2. Step 2: Convert to fraction form
    260,910,440.80/391,365,661.20 = 174,914,101.60/x
  3. Step 3: Cross multiply
    260,910,440.80x = 391,365,661.20 × 174,914,101.60
  4. Step 4: Simplify right side
    260,910,440.80x = 68,455,373,025,887,976
  5. Step 5: Solve for x
    x = 68,455,373,025,887,976/260,910,440.80
  6. Step 6: Final answer
    x = 262,371,152.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.