Home / 101,970,274.68-140,718,999.20-55,560,528.65

Finding the Fourth Proportional to 101,970,274.68, 140,718,999.20 and 55,560,528.65

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Solution

The fourth proportional to 101,970,274.68, 140,718,999.20 and 55,560,528.65 is: 76,673,540.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,970,274.68 : 140,718,999.20 = 55,560,528.65 : x
  2. Step 2: Convert to fraction form
    101,970,274.68/140,718,999.20 = 55,560,528.65/x
  3. Step 3: Cross multiply
    101,970,274.68x = 140,718,999.20 × 55,560,528.65
  4. Step 4: Simplify right side
    101,970,274.68x = 7,818,421,986,724,922
  5. Step 5: Solve for x
    x = 7,818,421,986,724,922/101,970,274.68
  6. Step 6: Final answer
    x = 76,673,540.51

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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.