Home / 221,616,442.20-332,424,663.30-68,242,569.60

Finding the Fourth Proportional to 221,616,442.20, 332,424,663.30 and 68,242,569.60

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Solution

The fourth proportional to 221,616,442.20, 332,424,663.30 and 68,242,569.60 is: 102,363,854.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,616,442.20 : 332,424,663.30 = 68,242,569.60 : x
  2. Step 2: Convert to fraction form
    221,616,442.20/332,424,663.30 = 68,242,569.60/x
  3. Step 3: Cross multiply
    221,616,442.20x = 332,424,663.30 × 68,242,569.60
  4. Step 4: Simplify right side
    221,616,442.20x = 22,685,513,222,006,816
  5. Step 5: Solve for x
    x = 22,685,513,222,006,816/221,616,442.20
  6. Step 6: Final answer
    x = 102,363,854.40

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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.