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Finding the Fourth Proportional to 200,561,301.84, 300,868,722.46 and 79,364,410.32

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Solution

The fourth proportional to 200,561,301.84, 300,868,722.46 and 79,364,410.32 is: 119,057,208.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,561,301.84 : 300,868,722.46 = 79,364,410.32 : x
  2. Step 2: Convert to fraction form
    200,561,301.84/300,868,722.46 = 79,364,410.32/x
  3. Step 3: Cross multiply
    200,561,301.84x = 300,868,722.46 × 79,364,410.32
  4. Step 4: Simplify right side
    200,561,301.84x = 23,878,268,741,769,636
  5. Step 5: Solve for x
    x = 23,878,268,741,769,636/200,561,301.84
  6. Step 6: Final answer
    x = 119,057,208.56

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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.