Home / 134,568,245.74-185,704,253.76-72,688,584.64

Finding the Fourth Proportional to 134,568,245.74, 185,704,253.76 and 72,688,584.64

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Solution

The fourth proportional to 134,568,245.74, 185,704,253.76 and 72,688,584.64 is: 100,310,287.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,568,245.74 : 185,704,253.76 = 72,688,584.64 : x
  2. Step 2: Convert to fraction form
    134,568,245.74/185,704,253.76 = 72,688,584.64/x
  3. Step 3: Cross multiply
    134,568,245.74x = 185,704,253.76 × 72,688,584.64
  4. Step 4: Simplify right side
    134,568,245.74x = 13,498,579,367,441,798
  5. Step 5: Solve for x
    x = 13,498,579,367,441,798/134,568,245.74
  6. Step 6: Final answer
    x = 100,310,287.12

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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.