Home / 143,400,479,991.44-197,910,015,362.55-81,616,071,641

Finding the Fourth Proportional to 143,400,479,991.44, 197,910,015,362.55 and 81,616,071,641

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Solution

The fourth proportional to 143,400,479,991.44, 197,910,015,362.55 and 81,616,071,641 is: 112,640,055,272.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,400,479,991.44 : 197,910,015,362.55 = 81,616,071,641 : x
  2. Step 2: Convert to fraction form
    143,400,479,991.44/197,910,015,362.55 = 81,616,071,641/x
  3. Step 3: Cross multiply
    143,400,479,991.44x = 197,910,015,362.55 × 81,616,071,641
  4. Step 4: Simplify right side
    143,400,479,991.44x = 16,152,637,992,301,290,848,256
  5. Step 5: Solve for x
    x = 16,152,637,992,301,290,848,256/143,400,479,991.44
  6. Step 6: Final answer
    x = 112,640,055,272.24

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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.