Home / 141,804,049.70-212,706,074.55-121,396,715.30

Finding the Fourth Proportional to 141,804,049.70, 212,706,074.55 and 121,396,715.30

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Solution

The fourth proportional to 141,804,049.70, 212,706,074.55 and 121,396,715.30 is: 182,095,072.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,804,049.70 : 212,706,074.55 = 121,396,715.30 : x
  2. Step 2: Convert to fraction form
    141,804,049.70/212,706,074.55 = 121,396,715.30/x
  3. Step 3: Cross multiply
    141,804,049.70x = 212,706,074.55 × 121,396,715.30
  4. Step 4: Simplify right side
    141,804,049.70x = 25,821,818,774,726,928
  5. Step 5: Solve for x
    x = 25,821,818,774,726,928/141,804,049.70
  6. Step 6: Final answer
    x = 182,095,072.95

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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.