Home / 163,296,021.60-244,944,032.40-72,419,610.60

Finding the Fourth Proportional to 163,296,021.60, 244,944,032.40 and 72,419,610.60

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Solution

The fourth proportional to 163,296,021.60, 244,944,032.40 and 72,419,610.60 is: 108,629,415.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,296,021.60 : 244,944,032.40 = 72,419,610.60 : x
  2. Step 2: Convert to fraction form
    163,296,021.60/244,944,032.40 = 72,419,610.60/x
  3. Step 3: Cross multiply
    163,296,021.60x = 244,944,032.40 × 72,419,610.60
  4. Step 4: Simplify right side
    163,296,021.60x = 17,738,751,445,201,782
  5. Step 5: Solve for x
    x = 17,738,751,445,201,782/163,296,021.60
  6. Step 6: Final answer
    x = 108,629,415.90

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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.