Finding the Fourth Proportional to 68,198,534.10, 102,285,477.45 and 19,664,455.14
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Solution
The fourth proportional to 68,198,534.10, 102,285,477.45 and 19,664,455.14 is: 29,493,129.28
Step by Step Solution
- Step 1: Write the proportion equation
68,198,534.10 : 102,285,477.45 = 19,664,455.14 : x - Step 2: Convert to fraction form
68,198,534.10/102,285,477.45 = 19,664,455.14/x - Step 3: Cross multiply
68,198,534.10x = 102,285,477.45 × 19,664,455.14 - Step 4: Simplify right side
68,198,534.10x = 2,011,388,182,789,006.75 - Step 5: Solve for x
x = 2,011,388,182,789,006.75/68,198,534.10 - Step 6: Final answer
x = 29,493,129.28
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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.