Home / 213,248,999.52-319,991,532.57-104,075,074.89

Finding the Fourth Proportional to 213,248,999.52, 319,991,532.57 and 104,075,074.89

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Solution

The fourth proportional to 213,248,999.52, 319,991,532.57 and 104,075,074.89 is: 156,170,217.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,248,999.52 : 319,991,532.57 = 104,075,074.89 : x
  2. Step 2: Convert to fraction form
    213,248,999.52/319,991,532.57 = 104,075,074.89/x
  3. Step 3: Cross multiply
    213,248,999.52x = 319,991,532.57 × 104,075,074.89
  4. Step 4: Simplify right side
    213,248,999.52x = 33,303,142,716,388,624
  5. Step 5: Solve for x
    x = 33,303,142,716,388,624/213,248,999.52
  6. Step 6: Final answer
    x = 156,170,217.87

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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.