Home / 205,422,338.36-308,168,149.58-69,075,310.52

Finding the Fourth Proportional to 205,422,338.36, 308,168,149.58 and 69,075,310.52

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Solution

The fourth proportional to 205,422,338.36, 308,168,149.58 and 69,075,310.52 is: 103,624,614.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,422,338.36 : 308,168,149.58 = 69,075,310.52 : x
  2. Step 2: Convert to fraction form
    205,422,338.36/308,168,149.58 = 69,075,310.52/x
  3. Step 3: Cross multiply
    205,422,338.36x = 308,168,149.58 × 69,075,310.52
  4. Step 4: Simplify right side
    205,422,338.36x = 21,286,810,624,612,304
  5. Step 5: Solve for x
    x = 21,286,810,624,612,304/205,422,338.36
  6. Step 6: Final answer
    x = 103,624,614.51

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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.