Finding the Fourth Proportional to 68,506,123.68, 102,759,528.96 and 17,388,157.68
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Solution
The fourth proportional to 68,506,123.68, 102,759,528.96 and 17,388,157.68 is: 26,082,323.69
Step by Step Solution
- Step 1: Write the proportion equation
68,506,123.68 : 102,759,528.96 = 17,388,157.68 : x - Step 2: Convert to fraction form
68,506,123.68/102,759,528.96 = 17,388,157.68/x - Step 3: Cross multiply
68,506,123.68x = 102,759,528.96 × 17,388,157.68 - Step 4: Simplify right side
68,506,123.68x = 1,786,798,892,679,006.25 - Step 5: Solve for x
x = 1,786,798,892,679,006.25/68,506,123.68 - Step 6: Final answer
x = 26,082,323.69
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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.