Home / 221,434,276.80-332,151,415.20-148,874,865.60

Finding the Fourth Proportional to 221,434,276.80, 332,151,415.20 and 148,874,865.60

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Solution

The fourth proportional to 221,434,276.80, 332,151,415.20 and 148,874,865.60 is: 223,312,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,434,276.80 : 332,151,415.20 = 148,874,865.60 : x
  2. Step 2: Convert to fraction form
    221,434,276.80/332,151,415.20 = 148,874,865.60/x
  3. Step 3: Cross multiply
    221,434,276.80x = 332,151,415.20 × 148,874,865.60
  4. Step 4: Simplify right side
    221,434,276.80x = 49,448,997,296,749,792
  5. Step 5: Solve for x
    x = 49,448,997,296,749,792/221,434,276.80
  6. Step 6: Final answer
    x = 223,312,298.40

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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.