Home / 66,365,481.76-91,532,445.84-43,168,016.32

Finding the Fourth Proportional to 66,365,481.76, 91,532,445.84 and 43,168,016.32

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Solution

The fourth proportional to 66,365,481.76, 91,532,445.84 and 43,168,016.32 is: 59,538,091.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,365,481.76 : 91,532,445.84 = 43,168,016.32 : x
  2. Step 2: Convert to fraction form
    66,365,481.76/91,532,445.84 = 43,168,016.32/x
  3. Step 3: Cross multiply
    66,365,481.76x = 91,532,445.84 × 43,168,016.32
  4. Step 4: Simplify right side
    66,365,481.76x = 3,951,274,115,830,636.50
  5. Step 5: Solve for x
    x = 3,951,274,115,830,636.50/66,365,481.76
  6. Step 6: Final answer
    x = 59,538,091.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.