Home / 290,776,015.20-436,164,022.80-106,543,135.20

Finding the Fourth Proportional to 290,776,015.20, 436,164,022.80 and 106,543,135.20

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Solution

The fourth proportional to 290,776,015.20, 436,164,022.80 and 106,543,135.20 is: 159,814,702.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,776,015.20 : 436,164,022.80 = 106,543,135.20 : x
  2. Step 2: Convert to fraction form
    290,776,015.20/436,164,022.80 = 106,543,135.20/x
  3. Step 3: Cross multiply
    290,776,015.20x = 436,164,022.80 × 106,543,135.20
  4. Step 4: Simplify right side
    290,776,015.20x = 46,470,282,450,556,288
  5. Step 5: Solve for x
    x = 46,470,282,450,556,288/290,776,015.20
  6. Step 6: Final answer
    x = 159,814,702.80

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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.