Home / 218,454,198.37-301,454,694.53-119,315,206.69

Finding the Fourth Proportional to 218,454,198.37, 301,454,694.53 and 119,315,206.69

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Solution

The fourth proportional to 218,454,198.37, 301,454,694.53 and 119,315,206.69 is: 164,648,376.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,454,198.37 : 301,454,694.53 = 119,315,206.69 : x
  2. Step 2: Convert to fraction form
    218,454,198.37/301,454,694.53 = 119,315,206.69/x
  3. Step 3: Cross multiply
    218,454,198.37x = 301,454,694.53 × 119,315,206.69
  4. Step 4: Simplify right side
    218,454,198.37x = 35,968,129,184,921,184
  5. Step 5: Solve for x
    x = 35,968,129,184,921,184/218,454,198.37
  6. Step 6: Final answer
    x = 164,648,376.88

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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.