Home / 111,719,052.21-154,193,637.22-73,975,644.68

Finding the Fourth Proportional to 111,719,052.21, 154,193,637.22 and 73,975,644.68

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Solution

The fourth proportional to 111,719,052.21, 154,193,637.22 and 73,975,644.68 is: 102,100,523.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,719,052.21 : 154,193,637.22 = 73,975,644.68 : x
  2. Step 2: Convert to fraction form
    111,719,052.21/154,193,637.22 = 73,975,644.68/x
  3. Step 3: Cross multiply
    111,719,052.21x = 154,193,637.22 × 73,975,644.68
  4. Step 4: Simplify right side
    111,719,052.21x = 11,406,573,718,814,976
  5. Step 5: Solve for x
    x = 11,406,573,718,814,976/111,719,052.21
  6. Step 6: Final answer
    x = 102,100,523.53

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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.