Home / 221,464,721.60-332,097,549.60-85,104,785.60

Finding the Fourth Proportional to 221,464,721.60, 332,097,549.60 and 85,104,785.60

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Solution

The fourth proportional to 221,464,721.60, 332,097,549.60 and 85,104,785.60 is: 127,618,929.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,464,721.60 : 332,097,549.60 = 85,104,785.60 : x
  2. Step 2: Convert to fraction form
    221,464,721.60/332,097,549.60 = 85,104,785.60/x
  3. Step 3: Cross multiply
    221,464,721.60x = 332,097,549.60 × 85,104,785.60
  4. Step 4: Simplify right side
    221,464,721.60x = 28,263,090,756,993,364
  5. Step 5: Solve for x
    x = 28,263,090,756,993,364/221,464,721.60
  6. Step 6: Final answer
    x = 127,618,929.79

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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.