Home / 219,877,692.40-329,816,538.60-168,221,627.20

Finding the Fourth Proportional to 219,877,692.40, 329,816,538.60 and 168,221,627.20

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Solution

The fourth proportional to 219,877,692.40, 329,816,538.60 and 168,221,627.20 is: 252,332,440.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,877,692.40 : 329,816,538.60 = 168,221,627.20 : x
  2. Step 2: Convert to fraction form
    219,877,692.40/329,816,538.60 = 168,221,627.20/x
  3. Step 3: Cross multiply
    219,877,692.40x = 329,816,538.60 × 168,221,627.20
  4. Step 4: Simplify right side
    219,877,692.40x = 55,482,274,800,763,608
  5. Step 5: Solve for x
    x = 55,482,274,800,763,608/219,877,692.40
  6. Step 6: Final answer
    x = 252,332,440.80

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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.