Home / 139,014,125.40-191,826,811.53-82,489,131.03

Finding the Fourth Proportional to 139,014,125.40, 191,826,811.53 and 82,489,131.03

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Solution

The fourth proportional to 139,014,125.40, 191,826,811.53 and 82,489,131.03 is: 113,827,475.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,014,125.40 : 191,826,811.53 = 82,489,131.03 : x
  2. Step 2: Convert to fraction form
    139,014,125.40/191,826,811.53 = 82,489,131.03/x
  3. Step 3: Cross multiply
    139,014,125.40x = 191,826,811.53 × 82,489,131.03
  4. Step 4: Simplify right side
    139,014,125.40x = 15,823,626,991,365,286
  5. Step 5: Solve for x
    x = 15,823,626,991,365,286/139,014,125.40
  6. Step 6: Final answer
    x = 113,827,475.78

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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.