Home / 218,441,840.80-327,662,761.20-199,735,117.60

Finding the Fourth Proportional to 218,441,840.80, 327,662,761.20 and 199,735,117.60

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Solution

The fourth proportional to 218,441,840.80, 327,662,761.20 and 199,735,117.60 is: 299,602,676.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,441,840.80 : 327,662,761.20 = 199,735,117.60 : x
  2. Step 2: Convert to fraction form
    218,441,840.80/327,662,761.20 = 199,735,117.60/x
  3. Step 3: Cross multiply
    218,441,840.80x = 327,662,761.20 × 199,735,117.60
  4. Step 4: Simplify right side
    218,441,840.80x = 65,445,760,141,422,712
  5. Step 5: Solve for x
    x = 65,445,760,141,422,712/218,441,840.80
  6. Step 6: Final answer
    x = 299,602,676.40

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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.