Home / 76,080,165.55-104,981,771.09-42,591,478.40

Finding the Fourth Proportional to 76,080,165.55, 104,981,771.09 and 42,591,478.40

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Solution

The fourth proportional to 76,080,165.55, 104,981,771.09 and 42,591,478.40 is: 58,771,281.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,080,165.55 : 104,981,771.09 = 42,591,478.40 : x
  2. Step 2: Convert to fraction form
    76,080,165.55/104,981,771.09 = 42,591,478.40/x
  3. Step 3: Cross multiply
    76,080,165.55x = 104,981,771.09 × 42,591,478.40
  4. Step 4: Simplify right side
    76,080,165.55x = 4,471,328,835,929,456
  5. Step 5: Solve for x
    x = 4,471,328,835,929,456/76,080,165.55
  6. Step 6: Final answer
    x = 58,771,281.63

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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.