Home / 290,735,993.25-436,188,428.73-93,995,205.84

Finding the Fourth Proportional to 290,735,993.25, 436,188,428.73 and 93,995,205.84

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Solution

The fourth proportional to 290,735,993.25, 436,188,428.73 and 93,995,205.84 is: 141,020,107.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,735,993.25 : 436,188,428.73 = 93,995,205.84 : x
  2. Step 2: Convert to fraction form
    290,735,993.25/436,188,428.73 = 93,995,205.84/x
  3. Step 3: Cross multiply
    290,735,993.25x = 436,188,428.73 × 93,995,205.84
  4. Step 4: Simplify right side
    290,735,993.25x = 40,999,621,143,502,520
  5. Step 5: Solve for x
    x = 40,999,621,143,502,520/290,735,993.25
  6. Step 6: Final answer
    x = 141,020,107.92

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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.