Home / 213,782,605.20-320,673,907.80-183,171,603.60

Finding the Fourth Proportional to 213,782,605.20, 320,673,907.80 and 183,171,603.60

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Solution

The fourth proportional to 213,782,605.20, 320,673,907.80 and 183,171,603.60 is: 274,757,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,782,605.20 : 320,673,907.80 = 183,171,603.60 : x
  2. Step 2: Convert to fraction form
    213,782,605.20/320,673,907.80 = 183,171,603.60/x
  3. Step 3: Cross multiply
    213,782,605.20x = 320,673,907.80 × 183,171,603.60
  4. Step 4: Simplify right side
    213,782,605.20x = 58,738,353,924,404,552
  5. Step 5: Solve for x
    x = 58,738,353,924,404,552/213,782,605.20
  6. Step 6: Final answer
    x = 274,757,405.40

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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.