Home / 250,447,247.66-345,617,608.36-138,938,091.36

Finding the Fourth Proportional to 250,447,247.66, 345,617,608.36 and 138,938,091.36

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Solution

The fourth proportional to 250,447,247.66, 345,617,608.36 and 138,938,091.36 is: 191,734,791.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,447,247.66 : 345,617,608.36 = 138,938,091.36 : x
  2. Step 2: Convert to fraction form
    250,447,247.66/345,617,608.36 = 138,938,091.36/x
  3. Step 3: Cross multiply
    250,447,247.66x = 345,617,608.36 × 138,938,091.36
  4. Step 4: Simplify right side
    250,447,247.66x = 48,019,450,844,799,520
  5. Step 5: Solve for x
    x = 48,019,450,844,799,520/250,447,247.66
  6. Step 6: Final answer
    x = 191,734,791.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.