Home / 98,700,817.20-136,211,383.56-54,647,814.72

Finding the Fourth Proportional to 98,700,817.20, 136,211,383.56 and 54,647,814.72

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Solution

The fourth proportional to 98,700,817.20, 136,211,383.56 and 54,647,814.72 is: 75,416,340.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,700,817.20 : 136,211,383.56 = 54,647,814.72 : x
  2. Step 2: Convert to fraction form
    98,700,817.20/136,211,383.56 = 54,647,814.72/x
  3. Step 3: Cross multiply
    98,700,817.20x = 136,211,383.56 × 54,647,814.72
  4. Step 4: Simplify right side
    98,700,817.20x = 7,443,654,451,541,734
  5. Step 5: Solve for x
    x = 7,443,654,451,541,734/98,700,817.20
  6. Step 6: Final answer
    x = 75,416,340.64

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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.