Home / 140,083,568.51-210,252,863.23-74,559,716.49

Finding the Fourth Proportional to 140,083,568.51, 210,252,863.23 and 74,559,716.49

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Solution

The fourth proportional to 140,083,568.51, 210,252,863.23 and 74,559,716.49 is: 111,907,442.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,083,568.51 : 210,252,863.23 = 74,559,716.49 : x
  2. Step 2: Convert to fraction form
    140,083,568.51/210,252,863.23 = 74,559,716.49/x
  3. Step 3: Cross multiply
    140,083,568.51x = 210,252,863.23 × 74,559,716.49
  4. Step 4: Simplify right side
    140,083,568.51x = 15,676,393,873,639,544
  5. Step 5: Solve for x
    x = 15,676,393,873,639,544/140,083,568.51
  6. Step 6: Final answer
    x = 111,907,442.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.