Home / 321,705,346.63-443,917,855.35-180,544,190.15

Finding the Fourth Proportional to 321,705,346.63, 443,917,855.35 and 180,544,190.15

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Solution

The fourth proportional to 321,705,346.63, 443,917,855.35 and 180,544,190.15 is: 249,131,046.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,705,346.63 : 443,917,855.35 = 180,544,190.15 : x
  2. Step 2: Convert to fraction form
    321,705,346.63/443,917,855.35 = 180,544,190.15/x
  3. Step 3: Cross multiply
    321,705,346.63x = 443,917,855.35 × 180,544,190.15
  4. Step 4: Simplify right side
    321,705,346.63x = 80,146,789,688,400,400
  5. Step 5: Solve for x
    x = 80,146,789,688,400,400/321,705,346.63
  6. Step 6: Final answer
    x = 249,131,046.56

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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.