Home / 221,981,421.60-332,972,132.40-218,155,046.40

Finding the Fourth Proportional to 221,981,421.60, 332,972,132.40 and 218,155,046.40

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Solution

The fourth proportional to 221,981,421.60, 332,972,132.40 and 218,155,046.40 is: 327,232,569.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,981,421.60 : 332,972,132.40 = 218,155,046.40 : x
  2. Step 2: Convert to fraction form
    221,981,421.60/332,972,132.40 = 218,155,046.40/x
  3. Step 3: Cross multiply
    221,981,421.60x = 332,972,132.40 × 218,155,046.40
  4. Step 4: Simplify right side
    221,981,421.60x = 72,639,550,993,628,944
  5. Step 5: Solve for x
    x = 72,639,550,993,628,944/221,981,421.60
  6. Step 6: Final answer
    x = 327,232,569.60

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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.