Home / 221,341,443.40-332,012,165.10-196,470,004.60

Finding the Fourth Proportional to 221,341,443.40, 332,012,165.10 and 196,470,004.60

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Solution

The fourth proportional to 221,341,443.40, 332,012,165.10 and 196,470,004.60 is: 294,705,006.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,341,443.40 : 332,012,165.10 = 196,470,004.60 : x
  2. Step 2: Convert to fraction form
    221,341,443.40/332,012,165.10 = 196,470,004.60/x
  3. Step 3: Cross multiply
    221,341,443.40x = 332,012,165.10 × 196,470,004.60
  4. Step 4: Simplify right side
    221,341,443.40x = 65,230,431,604,452,960
  5. Step 5: Solve for x
    x = 65,230,431,604,452,960/221,341,443.40
  6. Step 6: Final answer
    x = 294,705,006.90

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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.