Finding the Fourth Proportional to 121,554,283.08, 182,219,693.22 and 43,812,163.56
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Solution
The fourth proportional to 121,554,283.08, 182,219,693.22 and 43,812,163.56 is: 65,677,973.67
Step by Step Solution
- Step 1: Write the proportion equation
121,554,283.08 : 182,219,693.22 = 43,812,163.56 : x - Step 2: Convert to fraction form
121,554,283.08/182,219,693.22 = 43,812,163.56/x - Step 3: Cross multiply
121,554,283.08x = 182,219,693.22 × 43,812,163.56 - Step 4: Simplify right side
121,554,283.08x = 7,983,439,003,207,663 - Step 5: Solve for x
x = 7,983,439,003,207,663/121,554,283.08 - Step 6: Final answer
x = 65,677,973.67
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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.