Home / 70,268,727,681.90-96,970,844,201.04-40,195,212,223.32

Finding the Fourth Proportional to 70,268,727,681.90, 96,970,844,201.04 and 40,195,212,223.32

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Solution

The fourth proportional to 70,268,727,681.90, 96,970,844,201.04 and 40,195,212,223.32 is: 55,469,392,868.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,268,727,681.90 : 96,970,844,201.04 = 40,195,212,223.32 : x
  2. Step 2: Convert to fraction form
    70,268,727,681.90/96,970,844,201.04 = 40,195,212,223.32/x
  3. Step 3: Cross multiply
    70,268,727,681.90x = 96,970,844,201.04 × 40,195,212,223.32
  4. Step 4: Simplify right side
    70,268,727,681.90x = 3,897,763,662,135,302,291,456
  5. Step 5: Solve for x
    x = 3,897,763,662,135,302,291,456/70,268,727,681.90
  6. Step 6: Final answer
    x = 55,469,392,868.19

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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.