Home / 105,086,619.03-145,018,668.42-57,401,912.82

Finding the Fourth Proportional to 105,086,619.03, 145,018,668.42 and 57,401,912.82

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Solution

The fourth proportional to 105,086,619.03, 145,018,668.42 and 57,401,912.82 is: 79,214,166.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,086,619.03 : 145,018,668.42 = 57,401,912.82 : x
  2. Step 2: Convert to fraction form
    105,086,619.03/145,018,668.42 = 57,401,912.82/x
  3. Step 3: Cross multiply
    105,086,619.03x = 145,018,668.42 × 57,401,912.82
  4. Step 4: Simplify right side
    105,086,619.03x = 8,324,348,961,917,326
  5. Step 5: Solve for x
    x = 8,324,348,961,917,326/105,086,619.03
  6. Step 6: Final answer
    x = 79,214,166.74

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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.