Home / 221,263,286.40-331,894,929.60-83,088,626.40

Finding the Fourth Proportional to 221,263,286.40, 331,894,929.60 and 83,088,626.40

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Solution

The fourth proportional to 221,263,286.40, 331,894,929.60 and 83,088,626.40 is: 124,632,939.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,263,286.40 : 331,894,929.60 = 83,088,626.40 : x
  2. Step 2: Convert to fraction form
    221,263,286.40/331,894,929.60 = 83,088,626.40/x
  3. Step 3: Cross multiply
    221,263,286.40x = 331,894,929.60 × 83,088,626.40
  4. Step 4: Simplify right side
    221,263,286.40x = 27,576,693,809,588,704
  5. Step 5: Solve for x
    x = 27,576,693,809,588,704/221,263,286.40
  6. Step 6: Final answer
    x = 124,632,939.60

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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.