Home / 108,872,015.80-163,308,023.70-74,383,900.60

Finding the Fourth Proportional to 108,872,015.80, 163,308,023.70 and 74,383,900.60

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Solution

The fourth proportional to 108,872,015.80, 163,308,023.70 and 74,383,900.60 is: 111,575,850.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,872,015.80 : 163,308,023.70 = 74,383,900.60 : x
  2. Step 2: Convert to fraction form
    108,872,015.80/163,308,023.70 = 74,383,900.60/x
  3. Step 3: Cross multiply
    108,872,015.80x = 163,308,023.70 × 74,383,900.60
  4. Step 4: Simplify right side
    108,872,015.80x = 12,147,487,802,083,242
  5. Step 5: Solve for x
    x = 12,147,487,802,083,242/108,872,015.80
  6. Step 6: Final answer
    x = 111,575,850.90

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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.