Home / 208,853,615.85-288,201,092.53-120,753,266.01

Finding the Fourth Proportional to 208,853,615.85, 288,201,092.53 and 120,753,266.01

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Solution

The fourth proportional to 208,853,615.85, 288,201,092.53 and 120,753,266.01 is: 166,629,737.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,853,615.85 : 288,201,092.53 = 120,753,266.01 : x
  2. Step 2: Convert to fraction form
    208,853,615.85/288,201,092.53 = 120,753,266.01/x
  3. Step 3: Cross multiply
    208,853,615.85x = 288,201,092.53 × 120,753,266.01
  4. Step 4: Simplify right side
    208,853,615.85x = 34,801,223,190,647,712
  5. Step 5: Solve for x
    x = 34,801,223,190,647,712/208,853,615.85
  6. Step 6: Final answer
    x = 166,629,737.53

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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.