Home / 208,066,577.80-312,099,866.70-195,311,993.80

Finding the Fourth Proportional to 208,066,577.80, 312,099,866.70 and 195,311,993.80

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Solution

The fourth proportional to 208,066,577.80, 312,099,866.70 and 195,311,993.80 is: 292,967,990.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,066,577.80 : 312,099,866.70 = 195,311,993.80 : x
  2. Step 2: Convert to fraction form
    208,066,577.80/312,099,866.70 = 195,311,993.80/x
  3. Step 3: Cross multiply
    208,066,577.80x = 312,099,866.70 × 195,311,993.80
  4. Step 4: Simplify right side
    208,066,577.80x = 60,956,847,229,891,224
  5. Step 5: Solve for x
    x = 60,956,847,229,891,224/208,066,577.80
  6. Step 6: Final answer
    x = 292,967,990.70

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1.5x scale

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.