Home / 149,470,427.58-206,274,279.51-86,741,668.86

Finding the Fourth Proportional to 149,470,427.58, 206,274,279.51 and 86,741,668.86

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Solution

The fourth proportional to 149,470,427.58, 206,274,279.51 and 86,741,668.86 is: 119,706,456.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,470,427.58 : 206,274,279.51 = 86,741,668.86 : x
  2. Step 2: Convert to fraction form
    149,470,427.58/206,274,279.51 = 86,741,668.86/x
  3. Step 3: Cross multiply
    149,470,427.58x = 206,274,279.51 × 86,741,668.86
  4. Step 4: Simplify right side
    149,470,427.58x = 17,892,575,247,591,502
  5. Step 5: Solve for x
    x = 17,892,575,247,591,502/149,470,427.58
  6. Step 6: Final answer
    x = 119,706,456.57

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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.