Home / 76,321,239.40-105,313,728.18-51,595,213.96

Finding the Fourth Proportional to 76,321,239.40, 105,313,728.18 and 51,595,213.96

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Solution

The fourth proportional to 76,321,239.40, 105,313,728.18 and 51,595,213.96 is: 71,194,917.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,321,239.40 : 105,313,728.18 = 51,595,213.96 : x
  2. Step 2: Convert to fraction form
    76,321,239.40/105,313,728.18 = 51,595,213.96/x
  3. Step 3: Cross multiply
    76,321,239.40x = 105,313,728.18 × 51,595,213.96
  4. Step 4: Simplify right side
    76,321,239.40x = 5,433,684,338,372,382
  5. Step 5: Solve for x
    x = 5,433,684,338,372,382/76,321,239.40
  6. Step 6: Final answer
    x = 71,194,917.44

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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.