Finding the Fourth Proportional to 73,777,207.20, 101,821,181.40 and 61,365,402.96
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Solution
The fourth proportional to 73,777,207.20, 101,821,181.40 and 61,365,402.96 is: 84,691,438.77
Step by Step Solution
- Step 1: Write the proportion equation
73,777,207.20 : 101,821,181.40 = 61,365,402.96 : x - Step 2: Convert to fraction form
73,777,207.20/101,821,181.40 = 61,365,402.96/x - Step 3: Cross multiply
73,777,207.20x = 101,821,181.40 × 61,365,402.96 - Step 4: Simplify right side
73,777,207.20x = 6,248,297,826,474,257 - Step 5: Solve for x
x = 6,248,297,826,474,257/73,777,207.20 - Step 6: Final answer
x = 84,691,438.77
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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.