Home / 151,788,230.32-209,467,790.64-82,174,183.24

Finding the Fourth Proportional to 151,788,230.32, 209,467,790.64 and 82,174,183.24

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Solution

The fourth proportional to 151,788,230.32, 209,467,790.64 and 82,174,183.24 is: 113,400,390.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,788,230.32 : 209,467,790.64 = 82,174,183.24 : x
  2. Step 2: Convert to fraction form
    151,788,230.32/209,467,790.64 = 82,174,183.24/x
  3. Step 3: Cross multiply
    151,788,230.32x = 209,467,790.64 × 82,174,183.24
  4. Step 4: Simplify right side
    151,788,230.32x = 17,212,844,610,929,314
  5. Step 5: Solve for x
    x = 17,212,844,610,929,314/151,788,230.32
  6. Step 6: Final answer
    x = 113,400,390.63

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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.