Home / 77,898,659.40-116,858,486.70-26,796,342.60

Finding the Fourth Proportional to 77,898,659.40, 116,858,486.70 and 26,796,342.60

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Solution

The fourth proportional to 77,898,659.40, 116,858,486.70 and 26,796,342.60 is: 40,198,124.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,898,659.40 : 116,858,486.70 = 26,796,342.60 : x
  2. Step 2: Convert to fraction form
    77,898,659.40/116,858,486.70 = 26,796,342.60/x
  3. Step 3: Cross multiply
    77,898,659.40x = 116,858,486.70 × 26,796,342.60
  4. Step 4: Simplify right side
    77,898,659.40x = 3,131,380,045,330,743.50
  5. Step 5: Solve for x
    x = 3,131,380,045,330,743.50/77,898,659.40
  6. Step 6: Final answer
    x = 40,198,124.97

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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.