Home / 78,968,140,934.42-118,448,039,584.82-25,902,184,019.06

Finding the Fourth Proportional to 78,968,140,934.42, 118,448,039,584.82 and 25,902,184,019.06

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Solution

The fourth proportional to 78,968,140,934.42, 118,448,039,584.82 and 25,902,184,019.06 is: 38,851,907,639.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,968,140,934.42 : 118,448,039,584.82 = 25,902,184,019.06 : x
  2. Step 2: Convert to fraction form
    78,968,140,934.42/118,448,039,584.82 = 25,902,184,019.06/x
  3. Step 3: Cross multiply
    78,968,140,934.42x = 118,448,039,584.82 × 25,902,184,019.06
  4. Step 4: Simplify right side
    78,968,140,934.42x = 3,068,062,918,022,318,784,512
  5. Step 5: Solve for x
    x = 3,068,062,918,022,318,784,512/78,968,140,934.42
  6. Step 6: Final answer
    x = 38,851,907,639.19

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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.