Home / 60,920,384.54-91,380,887.84-20,531,218.46

Finding the Fourth Proportional to 60,920,384.54, 91,380,887.84 and 20,531,218.46

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Solution

The fourth proportional to 60,920,384.54, 91,380,887.84 and 20,531,218.46 is: 30,796,932.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,920,384.54 : 91,380,887.84 = 20,531,218.46 : x
  2. Step 2: Convert to fraction form
    60,920,384.54/91,380,887.84 = 20,531,218.46/x
  3. Step 3: Cross multiply
    60,920,384.54x = 91,380,887.84 × 20,531,218.46
  4. Step 4: Simplify right side
    60,920,384.54x = 1,876,160,970,906,221
  5. Step 5: Solve for x
    x = 1,876,160,970,906,221/60,920,384.54
  6. Step 6: Final answer
    x = 30,796,932.51

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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.