Finding the Fourth Proportional to 104,079,811.08, 143,629,998.42 and 57,673,070.28
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Solution
The fourth proportional to 104,079,811.08, 143,629,998.42 and 57,673,070.28 is: 79,588,758.93
Step by Step Solution
- Step 1: Write the proportion equation
104,079,811.08 : 143,629,998.42 = 57,673,070.28 : x - Step 2: Convert to fraction form
104,079,811.08/143,629,998.42 = 57,673,070.28/x - Step 3: Cross multiply
104,079,811.08x = 143,629,998.42 × 57,673,070.28 - Step 4: Simplify right side
104,079,811.08x = 8,283,582,993,192,948 - Step 5: Solve for x
x = 8,283,582,993,192,948/104,079,811.08 - Step 6: Final answer
x = 79,588,758.93
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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.