Home / 259,075,192.32-388,373,640.96-129,570,109.44

Finding the Fourth Proportional to 259,075,192.32, 388,373,640.96 and 129,570,109.44

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Solution

The fourth proportional to 259,075,192.32, 388,373,640.96 and 129,570,109.44 is: 194,235,560.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,075,192.32 : 388,373,640.96 = 129,570,109.44 : x
  2. Step 2: Convert to fraction form
    259,075,192.32/388,373,640.96 = 129,570,109.44/x
  3. Step 3: Cross multiply
    259,075,192.32x = 388,373,640.96 × 129,570,109.44
  4. Step 4: Simplify right side
    259,075,192.32x = 50,321,615,162,798,464
  5. Step 5: Solve for x
    x = 50,321,615,162,798,464/259,075,192.32
  6. Step 6: Final answer
    x = 194,235,560.39

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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.