Home / 76,628,000.20-114,955,997.10-31,194,387.40

Finding the Fourth Proportional to 76,628,000.20, 114,955,997.10 and 31,194,387.40

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Solution

The fourth proportional to 76,628,000.20, 114,955,997.10 and 31,194,387.40 is: 46,797,279.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,628,000.20 : 114,955,997.10 = 31,194,387.40 : x
  2. Step 2: Convert to fraction form
    76,628,000.20/114,955,997.10 = 31,194,387.40/x
  3. Step 3: Cross multiply
    76,628,000.20x = 114,955,997.10 × 31,194,387.40
  4. Step 4: Simplify right side
    76,628,000.20x = 3,585,981,907,490,676
  5. Step 5: Solve for x
    x = 3,585,981,907,490,676/76,628,000.20
  6. Step 6: Final answer
    x = 46,797,279.04

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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.