Home / 126,048,643.40-188,860,388.70-104,365,850.60

Finding the Fourth Proportional to 126,048,643.40, 188,860,388.70 and 104,365,850.60

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Solution

The fourth proportional to 126,048,643.40, 188,860,388.70 and 104,365,850.60 is: 156,372,766.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,048,643.40 : 188,860,388.70 = 104,365,850.60 : x
  2. Step 2: Convert to fraction form
    126,048,643.40/188,860,388.70 = 104,365,850.60/x
  3. Step 3: Cross multiply
    126,048,643.40x = 188,860,388.70 × 104,365,850.60
  4. Step 4: Simplify right side
    126,048,643.40x = 19,710,575,111,322,124
  5. Step 5: Solve for x
    x = 19,710,575,111,322,124/126,048,643.40
  6. Step 6: Final answer
    x = 156,372,766.73

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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.