Home / 101,711,520.92-140,360,245.26-55,302,943.52

Finding the Fourth Proportional to 101,711,520.92, 140,360,245.26 and 55,302,943.52

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Solution

The fourth proportional to 101,711,520.92, 140,360,245.26 and 55,302,943.52 is: 76,317,162.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,711,520.92 : 140,360,245.26 = 55,302,943.52 : x
  2. Step 2: Convert to fraction form
    101,711,520.92/140,360,245.26 = 55,302,943.52/x
  3. Step 3: Cross multiply
    101,711,520.92x = 140,360,245.26 × 55,302,943.52
  4. Step 4: Simplify right side
    101,711,520.92x = 7,762,334,716,067,128
  5. Step 5: Solve for x
    x = 7,762,334,716,067,128/101,711,520.92
  6. Step 6: Final answer
    x = 76,317,162.95

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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.