Home / 221,616,004.40-332,424,006.60-215,238,712.40

Finding the Fourth Proportional to 221,616,004.40, 332,424,006.60 and 215,238,712.40

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Solution

The fourth proportional to 221,616,004.40, 332,424,006.60 and 215,238,712.40 is: 322,858,068.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,616,004.40 : 332,424,006.60 = 215,238,712.40 : x
  2. Step 2: Convert to fraction form
    221,616,004.40/332,424,006.60 = 215,238,712.40/x
  3. Step 3: Cross multiply
    221,616,004.40x = 332,424,006.60 × 215,238,712.40
  4. Step 4: Simplify right side
    221,616,004.40x = 71,550,515,151,433,112
  5. Step 5: Solve for x
    x = 71,550,515,151,433,112/221,616,004.40
  6. Step 6: Final answer
    x = 322,858,068.60

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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.