Home / 304,911,365.56-420,780,348.66-165,682,124.44

Finding the Fourth Proportional to 304,911,365.56, 420,780,348.66 and 165,682,124.44

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Solution

The fourth proportional to 304,911,365.56, 420,780,348.66 and 165,682,124.44 is: 228,642,779.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,911,365.56 : 420,780,348.66 = 165,682,124.44 : x
  2. Step 2: Convert to fraction form
    304,911,365.56/420,780,348.66 = 165,682,124.44/x
  3. Step 3: Cross multiply
    304,911,365.56x = 420,780,348.66 × 165,682,124.44
  4. Step 4: Simplify right side
    304,911,365.56x = 69,715,782,088,592,712
  5. Step 5: Solve for x
    x = 69,715,782,088,592,712/304,911,365.56
  6. Step 6: Final answer
    x = 228,642,779.39

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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.