Home / 304,511,029.56-420,225,645.60-165,281,819.76

Finding the Fourth Proportional to 304,511,029.56, 420,225,645.60 and 165,281,819.76

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Solution

The fourth proportional to 304,511,029.56, 420,225,645.60 and 165,281,819.76 is: 228,089,141.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,511,029.56 : 420,225,645.60 = 165,281,819.76 : x
  2. Step 2: Convert to fraction form
    304,511,029.56/420,225,645.60 = 165,281,819.76/x
  3. Step 3: Cross multiply
    304,511,029.56x = 420,225,645.60 × 165,281,819.76
  4. Step 4: Simplify right side
    304,511,029.56x = 69,455,659,414,588,840
  5. Step 5: Solve for x
    x = 69,455,659,414,588,840/304,511,029.56
  6. Step 6: Final answer
    x = 228,089,141.84

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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.