Home / 221,478,451.20-332,217,676.80-118,166,320.80

Finding the Fourth Proportional to 221,478,451.20, 332,217,676.80 and 118,166,320.80

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Solution

The fourth proportional to 221,478,451.20, 332,217,676.80 and 118,166,320.80 is: 177,249,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,478,451.20 : 332,217,676.80 = 118,166,320.80 : x
  2. Step 2: Convert to fraction form
    221,478,451.20/332,217,676.80 = 118,166,320.80/x
  3. Step 3: Cross multiply
    221,478,451.20x = 332,217,676.80 × 118,166,320.80
  4. Step 4: Simplify right side
    221,478,451.20x = 39,256,940,572,179,520
  5. Step 5: Solve for x
    x = 39,256,940,572,179,520/221,478,451.20
  6. Step 6: Final answer
    x = 177,249,481.20

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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.