Finding the Fourth Proportional to 35,149,303.86, 48,505,497.60 and 19,679,942.08
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Solution
The fourth proportional to 35,149,303.86, 48,505,497.60 and 19,679,942.08 is: 27,158,016.76
Step by Step Solution
- Step 1: Write the proportion equation
35,149,303.86 : 48,505,497.60 = 19,679,942.08 : x - Step 2: Convert to fraction form
35,149,303.86/48,505,497.60 = 19,679,942.08/x - Step 3: Cross multiply
35,149,303.86x = 48,505,497.60 × 19,679,942.08 - Step 4: Simplify right side
35,149,303.86x = 954,585,383,329,579 - Step 5: Solve for x
x = 954,585,383,329,579/35,149,303.86 - Step 6: Final answer
x = 27,158,016.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.