Home / 304,486,420.68-420,191,675.28-165,257,183.88

Finding the Fourth Proportional to 304,486,420.68, 420,191,675.28 and 165,257,183.88

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Solution

The fourth proportional to 304,486,420.68, 420,191,675.28 and 165,257,183.88 is: 228,055,138.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,486,420.68 : 420,191,675.28 = 165,257,183.88 : x
  2. Step 2: Convert to fraction form
    304,486,420.68/420,191,675.28 = 165,257,183.88/x
  3. Step 3: Cross multiply
    304,486,420.68x = 420,191,675.28 × 165,257,183.88
  4. Step 4: Simplify right side
    304,486,420.68x = 69,439,692,946,592,200
  5. Step 5: Solve for x
    x = 69,439,692,946,592,200/304,486,420.68
  6. Step 6: Final answer
    x = 228,055,138.85

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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.