Home / 140,638,229.92-211,017,967.68-75,929,186.08

Finding the Fourth Proportional to 140,638,229.92, 211,017,967.68 and 75,929,186.08

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Solution

The fourth proportional to 140,638,229.92, 211,017,967.68 and 75,929,186.08 is: 113,926,508.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,638,229.92 : 211,017,967.68 = 75,929,186.08 : x
  2. Step 2: Convert to fraction form
    140,638,229.92/211,017,967.68 = 75,929,186.08/x
  3. Step 3: Cross multiply
    140,638,229.92x = 211,017,967.68 × 75,929,186.08
  4. Step 4: Simplify right side
    140,638,229.92x = 16,022,422,534,198,146
  5. Step 5: Solve for x
    x = 16,022,422,534,198,146/140,638,229.92
  6. Step 6: Final answer
    x = 113,926,508.77

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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.