Home / 221,616,021.10-332,424,031.65-100,683,669.10

Finding the Fourth Proportional to 221,616,021.10, 332,424,031.65 and 100,683,669.10

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Solution

The fourth proportional to 221,616,021.10, 332,424,031.65 and 100,683,669.10 is: 151,025,503.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,616,021.10 : 332,424,031.65 = 100,683,669.10 : x
  2. Step 2: Convert to fraction form
    221,616,021.10/332,424,031.65 = 100,683,669.10/x
  3. Step 3: Cross multiply
    221,616,021.10x = 332,424,031.65 × 100,683,669.10
  4. Step 4: Simplify right side
    221,616,021.10x = 33,469,671,203,536,524
  5. Step 5: Solve for x
    x = 33,469,671,203,536,524/221,616,021.10
  6. Step 6: Final answer
    x = 151,025,503.65

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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.