Finding the Fourth Proportional to 64,647,788.10, 97,018,921.35 and 45,515,912.10
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Solution
The fourth proportional to 64,647,788.10, 97,018,921.35 and 45,515,912.10 is: 68,307,127.37
Step by Step Solution
- Step 1: Write the proportion equation
64,647,788.10 : 97,018,921.35 = 45,515,912.10 : x - Step 2: Convert to fraction form
64,647,788.10/97,018,921.35 = 45,515,912.10/x - Step 3: Cross multiply
64,647,788.10x = 97,018,921.35 × 45,515,912.10 - Step 4: Simplify right side
64,647,788.10x = 4,415,904,696,203,413 - Step 5: Solve for x
x = 4,415,904,696,203,413/64,647,788.10 - Step 6: Final answer
x = 68,307,127.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.