Home / 82,367,509.35-113,666,850.97-45,198,411.51

Finding the Fourth Proportional to 82,367,509.35, 113,666,850.97 and 45,198,411.51

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Solution

The fourth proportional to 82,367,509.35, 113,666,850.97 and 45,198,411.51 is: 62,373,636.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,367,509.35 : 113,666,850.97 = 45,198,411.51 : x
  2. Step 2: Convert to fraction form
    82,367,509.35/113,666,850.97 = 45,198,411.51/x
  3. Step 3: Cross multiply
    82,367,509.35x = 113,666,850.97 × 45,198,411.51
  4. Step 4: Simplify right side
    82,367,509.35x = 5,137,561,105,074,906
  5. Step 5: Solve for x
    x = 5,137,561,105,074,906/82,367,509.35
  6. Step 6: Final answer
    x = 62,373,636.71

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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.