Home / 127,751,198.73-191,628,318.74-35,629,331.87

Finding the Fourth Proportional to 127,751,198.73, 191,628,318.74 and 35,629,331.87

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Solution

The fourth proportional to 127,751,198.73, 191,628,318.74 and 35,629,331.87 is: 53,444,421.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,751,198.73 : 191,628,318.74 = 35,629,331.87 : x
  2. Step 2: Convert to fraction form
    127,751,198.73/191,628,318.74 = 35,629,331.87/x
  3. Step 3: Cross multiply
    127,751,198.73x = 191,628,318.74 × 35,629,331.87
  4. Step 4: Simplify right side
    127,751,198.73x = 6,827,588,962,941,313
  5. Step 5: Solve for x
    x = 6,827,588,962,941,313/127,751,198.73
  6. Step 6: Final answer
    x = 53,444,421.90

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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.