Finding the Fourth Proportional to 106,052,933.18, 146,331,113.94 and 61,991,408.99
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Solution
The fourth proportional to 106,052,933.18, 146,331,113.94 and 61,991,408.99 is: 85,535,323.35
Step by Step Solution
- Step 1: Write the proportion equation
106,052,933.18 : 146,331,113.94 = 61,991,408.99 : x - Step 2: Convert to fraction form
106,052,933.18/146,331,113.94 = 61,991,408.99/x - Step 3: Cross multiply
106,052,933.18x = 146,331,113.94 × 61,991,408.99 - Step 4: Simplify right side
106,052,933.18x = 9,071,271,931,485,174 - Step 5: Solve for x
x = 9,071,271,931,485,174/106,052,933.18 - Step 6: Final answer
x = 85,535,323.35
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.