Home / 76,080,166.49-104,981,772.38-42,591,479.34

Finding the Fourth Proportional to 76,080,166.49, 104,981,772.38 and 42,591,479.34

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Solution

The fourth proportional to 76,080,166.49, 104,981,772.38 and 42,591,479.34 is: 58,771,282.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,080,166.49 : 104,981,772.38 = 42,591,479.34 : x
  2. Step 2: Convert to fraction form
    76,080,166.49/104,981,772.38 = 42,591,479.34/x
  3. Step 3: Cross multiply
    76,080,166.49x = 104,981,772.38 × 42,591,479.34
  4. Step 4: Simplify right side
    76,080,166.49x = 4,471,328,989,399,353
  5. Step 5: Solve for x
    x = 4,471,328,989,399,353/76,080,166.49
  6. Step 6: Final answer
    x = 58,771,282.92

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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.