Home / 111,769,929.20-167,654,893.80-106,479,138.80

Finding the Fourth Proportional to 111,769,929.20, 167,654,893.80 and 106,479,138.80

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Solution

The fourth proportional to 111,769,929.20, 167,654,893.80 and 106,479,138.80 is: 159,718,708.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,769,929.20 : 167,654,893.80 = 106,479,138.80 : x
  2. Step 2: Convert to fraction form
    111,769,929.20/167,654,893.80 = 106,479,138.80/x
  3. Step 3: Cross multiply
    111,769,929.20x = 167,654,893.80 × 106,479,138.80
  4. Step 4: Simplify right side
    111,769,929.20x = 17,851,748,707,429,460
  5. Step 5: Solve for x
    x = 17,851,748,707,429,460/111,769,929.20
  6. Step 6: Final answer
    x = 159,718,708.20

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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.