Home / 45,986,055.44-68,979,332.52-13,638,238.52

Finding the Fourth Proportional to 45,986,055.44, 68,979,332.52 and 13,638,238.52

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Solution

The fourth proportional to 45,986,055.44, 68,979,332.52 and 13,638,238.52 is: 20,457,431.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,986,055.44 : 68,979,332.52 = 13,638,238.52 : x
  2. Step 2: Convert to fraction form
    45,986,055.44/68,979,332.52 = 13,638,238.52/x
  3. Step 3: Cross multiply
    45,986,055.44x = 68,979,332.52 × 13,638,238.52
  4. Step 4: Simplify right side
    45,986,055.44x = 940,756,589,858,152.62
  5. Step 5: Solve for x
    x = 940,756,589,858,152.62/45,986,055.44
  6. Step 6: Final answer
    x = 20,457,431.73

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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.