Finding the Fourth Proportional to 86,389,673.97, 129,617,147.08 and 51,870,145.24
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Solution
The fourth proportional to 86,389,673.97, 129,617,147.08 and 51,870,145.24 is: 77,824,813.26
Step by Step Solution
- Step 1: Write the proportion equation
86,389,673.97 : 129,617,147.08 = 51,870,145.24 : x - Step 2: Convert to fraction form
86,389,673.97/129,617,147.08 = 51,870,145.24/x - Step 3: Cross multiply
86,389,673.97x = 129,617,147.08 × 51,870,145.24 - Step 4: Simplify right side
86,389,673.97x = 6,723,260,243,985,956 - Step 5: Solve for x
x = 6,723,260,243,985,956/86,389,673.97 - Step 6: Final answer
x = 77,824,813.26
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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.