Home / 78,968,140,922.38-118,448,039,566.77-25,902,184,007.02

Finding the Fourth Proportional to 78,968,140,922.38, 118,448,039,566.77 and 25,902,184,007.02

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Solution

The fourth proportional to 78,968,140,922.38, 118,448,039,566.77 and 25,902,184,007.02 is: 38,851,907,621.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,968,140,922.38 : 118,448,039,566.77 = 25,902,184,007.02 : x
  2. Step 2: Convert to fraction form
    78,968,140,922.38/118,448,039,566.77 = 25,902,184,007.02/x
  3. Step 3: Cross multiply
    78,968,140,922.38x = 118,448,039,566.77 × 25,902,184,007.02
  4. Step 4: Simplify right side
    78,968,140,922.38x = 3,068,062,916,129,262,141,440
  5. Step 5: Solve for x
    x = 3,068,062,916,129,262,141,440/78,968,140,922.38
  6. Step 6: Final answer
    x = 38,851,907,621.14

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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.