Home / 109,702,859.72-151,389,909.97-60,142,169.33

Finding the Fourth Proportional to 109,702,859.72, 151,389,909.97 and 60,142,169.33

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Solution

The fourth proportional to 109,702,859.72, 151,389,909.97 and 60,142,169.33 is: 82,996,173.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,702,859.72 : 151,389,909.97 = 60,142,169.33 : x
  2. Step 2: Convert to fraction form
    109,702,859.72/151,389,909.97 = 60,142,169.33/x
  3. Step 3: Cross multiply
    109,702,859.72x = 151,389,909.97 × 60,142,169.33
  4. Step 4: Simplify right side
    109,702,859.72x = 9,104,917,599,361,890
  5. Step 5: Solve for x
    x = 9,104,917,599,361,890/109,702,859.72
  6. Step 6: Final answer
    x = 82,996,173.69

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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.