Home / 66,727,999.20-100,091,998.80-41,085,861.60

Finding the Fourth Proportional to 66,727,999.20, 100,091,998.80 and 41,085,861.60

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Solution

The fourth proportional to 66,727,999.20, 100,091,998.80 and 41,085,861.60 is: 61,628,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,727,999.20 : 100,091,998.80 = 41,085,861.60 : x
  2. Step 2: Convert to fraction form
    66,727,999.20/100,091,998.80 = 41,085,861.60/x
  3. Step 3: Cross multiply
    66,727,999.20x = 100,091,998.80 × 41,085,861.60
  4. Step 4: Simplify right side
    66,727,999.20x = 4,112,366,009,964,166
  5. Step 5: Solve for x
    x = 4,112,366,009,964,166/66,727,999.20
  6. Step 6: Final answer
    x = 61,628,792.40

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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.