Home / 352,270,461.60-528,405,692.40-147,945,175.20

Finding the Fourth Proportional to 352,270,461.60, 528,405,692.40 and 147,945,175.20

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Solution

The fourth proportional to 352,270,461.60, 528,405,692.40 and 147,945,175.20 is: 221,917,762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,270,461.60 : 528,405,692.40 = 147,945,175.20 : x
  2. Step 2: Convert to fraction form
    352,270,461.60/528,405,692.40 = 147,945,175.20/x
  3. Step 3: Cross multiply
    352,270,461.60x = 528,405,692.40 × 147,945,175.20
  4. Step 4: Simplify right side
    352,270,461.60x = 78,175,072,738,795,296
  5. Step 5: Solve for x
    x = 78,175,072,738,795,296/352,270,461.60
  6. Step 6: Final answer
    x = 221,917,762.80

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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.