Home / 189,167,414.40-283,751,121.60-102,872,476.80

Finding the Fourth Proportional to 189,167,414.40, 283,751,121.60 and 102,872,476.80

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Solution

The fourth proportional to 189,167,414.40, 283,751,121.60 and 102,872,476.80 is: 154,308,715.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,167,414.40 : 283,751,121.60 = 102,872,476.80 : x
  2. Step 2: Convert to fraction form
    189,167,414.40/283,751,121.60 = 102,872,476.80/x
  3. Step 3: Cross multiply
    189,167,414.40x = 283,751,121.60 × 102,872,476.80
  4. Step 4: Simplify right side
    189,167,414.40x = 29,190,180,673,769,980
  5. Step 5: Solve for x
    x = 29,190,180,673,769,980/189,167,414.40
  6. Step 6: Final answer
    x = 154,308,715.20

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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.