Home / 221,440,208.40-332,160,312.60-211,362,512.40

Finding the Fourth Proportional to 221,440,208.40, 332,160,312.60 and 211,362,512.40

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Solution

The fourth proportional to 221,440,208.40, 332,160,312.60 and 211,362,512.40 is: 317,043,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,440,208.40 : 332,160,312.60 = 211,362,512.40 : x
  2. Step 2: Convert to fraction form
    221,440,208.40/332,160,312.60 = 211,362,512.40/x
  3. Step 3: Cross multiply
    221,440,208.40x = 332,160,312.60 × 211,362,512.40
  4. Step 4: Simplify right side
    221,440,208.40x = 70,206,238,190,705,384
  5. Step 5: Solve for x
    x = 70,206,238,190,705,384/221,440,208.40
  6. Step 6: Final answer
    x = 317,043,768.60

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1.5x scale

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.