Home / 113,185,183.10-169,777,774.65-90,510,367.10

Finding the Fourth Proportional to 113,185,183.10, 169,777,774.65 and 90,510,367.10

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Solution

The fourth proportional to 113,185,183.10, 169,777,774.65 and 90,510,367.10 is: 135,765,550.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,185,183.10 : 169,777,774.65 = 90,510,367.10 : x
  2. Step 2: Convert to fraction form
    113,185,183.10/169,777,774.65 = 90,510,367.10/x
  3. Step 3: Cross multiply
    113,185,183.10x = 169,777,774.65 × 90,510,367.10
  4. Step 4: Simplify right side
    113,185,183.10x = 15,366,648,708,992,574
  5. Step 5: Solve for x
    x = 15,366,648,708,992,574/113,185,183.10
  6. Step 6: Final answer
    x = 135,765,550.65

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Similar ratio
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1.5x scale

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.