Home / 208,853,613.85-288,201,089.77-120,753,264.01

Finding the Fourth Proportional to 208,853,613.85, 288,201,089.77 and 120,753,264.01

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Solution

The fourth proportional to 208,853,613.85, 288,201,089.77 and 120,753,264.01 is: 166,629,734.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,853,613.85 : 288,201,089.77 = 120,753,264.01 : x
  2. Step 2: Convert to fraction form
    208,853,613.85/288,201,089.77 = 120,753,264.01/x
  3. Step 3: Cross multiply
    208,853,613.85x = 288,201,089.77 × 120,753,264.01
  4. Step 4: Simplify right side
    208,853,613.85x = 34,801,222,280,966,520
  5. Step 5: Solve for x
    x = 34,801,222,280,966,520/208,853,613.85
  6. Step 6: Final answer
    x = 166,629,734.77

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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.