Home / 218,441,872.70-301,450,811.77-119,323,995.20

Finding the Fourth Proportional to 218,441,872.70, 301,450,811.77 and 119,323,995.20

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Solution

The fourth proportional to 218,441,872.70, 301,450,811.77 and 119,323,995.20 is: 164,667,674.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,441,872.70 : 301,450,811.77 = 119,323,995.20 : x
  2. Step 2: Convert to fraction form
    218,441,872.70/301,450,811.77 = 119,323,995.20/x
  3. Step 3: Cross multiply
    218,441,872.70x = 301,450,811.77 × 119,323,995.20
  4. Step 4: Simplify right side
    218,441,872.70x = 35,970,315,217,582,368
  5. Step 5: Solve for x
    x = 35,970,315,217,582,368/218,441,872.70
  6. Step 6: Final answer
    x = 164,667,674.62

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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.