Home / 135,110,964,868.84-186,458,507,220.45-74,145,513,804.32

Finding the Fourth Proportional to 135,110,964,868.84, 186,458,507,220.45 and 74,145,513,804.32

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Solution

The fourth proportional to 135,110,964,868.84, 186,458,507,220.45 and 74,145,513,804.32 is: 102,323,759,100.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,110,964,868.84 : 186,458,507,220.45 = 74,145,513,804.32 : x
  2. Step 2: Convert to fraction form
    135,110,964,868.84/186,458,507,220.45 = 74,145,513,804.32/x
  3. Step 3: Cross multiply
    135,110,964,868.84x = 186,458,507,220.45 × 74,145,513,804.32
  4. Step 4: Simplify right side
    135,110,964,868.84x = 13,825,061,821,046,778,232,832
  5. Step 5: Solve for x
    x = 13,825,061,821,046,778,232,832/135,110,964,868.84
  6. Step 6: Final answer
    x = 102,323,759,100.29

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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.