Finding the Fourth Proportional to 81,692,649.96, 112,734,463.68 and 44,523,369.96
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Solution
The fourth proportional to 81,692,649.96, 112,734,463.68 and 44,523,369.96 is: 61,441,491.20
Step by Step Solution
- Step 1: Write the proportion equation
81,692,649.96 : 112,734,463.68 = 44,523,369.96 : x - Step 2: Convert to fraction form
81,692,649.96/112,734,463.68 = 44,523,369.96/x - Step 3: Cross multiply
81,692,649.96x = 112,734,463.68 × 44,523,369.96 - Step 4: Simplify right side
81,692,649.96x = 5,019,318,233,666,823 - Step 5: Solve for x
x = 5,019,318,233,666,823/81,692,649.96 - Step 6: Final answer
x = 61,441,491.20
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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.