Home / 304,427,971.46-420,110,600.64-165,198,733.22

Finding the Fourth Proportional to 304,427,971.46, 420,110,600.64 and 165,198,733.22

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Solution

The fourth proportional to 304,427,971.46, 420,110,600.64 and 165,198,733.22 is: 227,974,251.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,427,971.46 : 420,110,600.64 = 165,198,733.22 : x
  2. Step 2: Convert to fraction form
    304,427,971.46/420,110,600.64 = 165,198,733.22/x
  3. Step 3: Cross multiply
    304,427,971.46x = 420,110,600.64 × 165,198,733.22
  4. Step 4: Simplify right side
    304,427,971.46x = 69,401,739,038,452,104
  5. Step 5: Solve for x
    x = 69,401,739,038,452,104/304,427,971.46
  6. Step 6: Final answer
    x = 227,974,251.86

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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.