Home / 323,784,004.35-485,676,006.53-81,446,908.35

Finding the Fourth Proportional to 323,784,004.35, 485,676,006.53 and 81,446,908.35

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Solution

The fourth proportional to 323,784,004.35, 485,676,006.53 and 81,446,908.35 is: 122,170,362.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,784,004.35 : 485,676,006.53 = 81,446,908.35 : x
  2. Step 2: Convert to fraction form
    323,784,004.35/485,676,006.53 = 81,446,908.35/x
  3. Step 3: Cross multiply
    323,784,004.35x = 485,676,006.53 × 81,446,908.35
  4. Step 4: Simplify right side
    323,784,004.35x = 39,556,809,191,235,672
  5. Step 5: Solve for x
    x = 39,556,809,191,235,672/323,784,004.35
  6. Step 6: Final answer
    x = 122,170,362.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.