Home / 78,968,140,933.85-118,448,039,583.97-25,902,184,018.49

Finding the Fourth Proportional to 78,968,140,933.85, 118,448,039,583.97 and 25,902,184,018.49

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Solution

The fourth proportional to 78,968,140,933.85, 118,448,039,583.97 and 25,902,184,018.49 is: 38,851,907,638.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,968,140,933.85 : 118,448,039,583.97 = 25,902,184,018.49 : x
  2. Step 2: Convert to fraction form
    78,968,140,933.85/118,448,039,583.97 = 25,902,184,018.49/x
  3. Step 3: Cross multiply
    78,968,140,933.85x = 118,448,039,583.97 × 25,902,184,018.49
  4. Step 4: Simplify right side
    78,968,140,933.85x = 3,068,062,917,933,734,035,456
  5. Step 5: Solve for x
    x = 3,068,062,917,933,734,035,456/78,968,140,933.85
  6. Step 6: Final answer
    x = 38,851,907,638.34

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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.