Home / 260,321,894.75-359,243,229.30-142,849,190.86

Finding the Fourth Proportional to 260,321,894.75, 359,243,229.30 and 142,849,190.86

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Solution

The fourth proportional to 260,321,894.75, 359,243,229.30 and 142,849,190.86 is: 197,131,342.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,321,894.75 : 359,243,229.30 = 142,849,190.86 : x
  2. Step 2: Convert to fraction form
    260,321,894.75/359,243,229.30 = 142,849,190.86/x
  3. Step 3: Cross multiply
    260,321,894.75x = 359,243,229.30 × 142,849,190.86
  4. Step 4: Simplify right side
    260,321,894.75x = 51,317,604,626,004,648
  5. Step 5: Solve for x
    x = 51,317,604,626,004,648/260,321,894.75
  6. Step 6: Final answer
    x = 197,131,342.62

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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.