Home / 262,849,621.72-394,275,100.37-107,403,429.90

Finding the Fourth Proportional to 262,849,621.72, 394,275,100.37 and 107,403,429.90

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Solution

The fourth proportional to 262,849,621.72, 394,275,100.37 and 107,403,429.90 is: 161,105,417.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,849,621.72 : 394,275,100.37 = 107,403,429.90 : x
  2. Step 2: Convert to fraction form
    262,849,621.72/394,275,100.37 = 107,403,429.90/x
  3. Step 3: Cross multiply
    262,849,621.72x = 394,275,100.37 × 107,403,429.90
  4. Step 4: Simplify right side
    262,849,621.72x = 42,346,498,104,846,272
  5. Step 5: Solve for x
    x = 42,346,498,104,846,272/262,849,621.72
  6. Step 6: Final answer
    x = 161,105,417.72

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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.