Home / 121,994,716.23-168,350,984.69-69,070,058.37

Finding the Fourth Proportional to 121,994,716.23, 168,350,984.69 and 69,070,058.37

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Solution

The fourth proportional to 121,994,716.23, 168,350,984.69 and 69,070,058.37 is: 95,315,704.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,994,716.23 : 168,350,984.69 = 69,070,058.37 : x
  2. Step 2: Convert to fraction form
    121,994,716.23/168,350,984.69 = 69,070,058.37/x
  3. Step 3: Cross multiply
    121,994,716.23x = 168,350,984.69 × 69,070,058.37
  4. Step 4: Simplify right side
    121,994,716.23x = 11,628,012,338,839,928
  5. Step 5: Solve for x
    x = 11,628,012,338,839,928/121,994,716.23
  6. Step 6: Final answer
    x = 95,315,704.63

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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.