Home / 218,321,305.56-326,487,277.76-163,027,969.60

Finding the Fourth Proportional to 218,321,305.56, 326,487,277.76 and 163,027,969.60

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Solution

The fourth proportional to 218,321,305.56, 326,487,277.76 and 163,027,969.60 is: 243,799,192.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,321,305.56 : 326,487,277.76 = 163,027,969.60 : x
  2. Step 2: Convert to fraction form
    218,321,305.56/326,487,277.76 = 163,027,969.60/x
  3. Step 3: Cross multiply
    218,321,305.56x = 326,487,277.76 × 163,027,969.60
  4. Step 4: Simplify right side
    218,321,305.56x = 53,226,557,993,444,032
  5. Step 5: Solve for x
    x = 53,226,557,993,444,032/218,321,305.56
  6. Step 6: Final answer
    x = 243,799,192.47

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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.