Home / 74,175,736.80-111,051,028.80-72,049,972.80

Finding the Fourth Proportional to 74,175,736.80, 111,051,028.80 and 72,049,972.80

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Solution

The fourth proportional to 74,175,736.80, 111,051,028.80 and 72,049,972.80 is: 107,868,474.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,175,736.80 : 111,051,028.80 = 72,049,972.80 : x
  2. Step 2: Convert to fraction form
    74,175,736.80/111,051,028.80 = 72,049,972.80/x
  3. Step 3: Cross multiply
    74,175,736.80x = 111,051,028.80 × 72,049,972.80
  4. Step 4: Simplify right side
    74,175,736.80x = 8,001,223,604,452,016
  5. Step 5: Solve for x
    x = 8,001,223,604,452,016/74,175,736.80
  6. Step 6: Final answer
    x = 107,868,474.92

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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.