Home / 136,965,860.01-189,007,821.09-74,240,611.16

Finding the Fourth Proportional to 136,965,860.01, 189,007,821.09 and 74,240,611.16

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Solution

The fourth proportional to 136,965,860.01, 189,007,821.09 and 74,240,611.16 is: 102,449,297.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,965,860.01 : 189,007,821.09 = 74,240,611.16 : x
  2. Step 2: Convert to fraction form
    136,965,860.01/189,007,821.09 = 74,240,611.16/x
  3. Step 3: Cross multiply
    136,965,860.01x = 189,007,821.09 × 74,240,611.16
  4. Step 4: Simplify right side
    136,965,860.01x = 14,032,056,150,796,498
  5. Step 5: Solve for x
    x = 14,032,056,150,796,498/136,965,860.01
  6. Step 6: Final answer
    x = 102,449,297.58

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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.