Finding the Fourth Proportional to 86,490,623.67, 119,356,983.55 and 48,821,716.47
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Solution
The fourth proportional to 86,490,623.67, 119,356,983.55 and 48,821,716.47 is: 67,373,925.20
Step by Step Solution
- Step 1: Write the proportion equation
86,490,623.67 : 119,356,983.55 = 48,821,716.47 : x - Step 2: Convert to fraction form
86,490,623.67/119,356,983.55 = 48,821,716.47/x - Step 3: Cross multiply
86,490,623.67x = 119,356,983.55 × 48,821,716.47 - Step 4: Simplify right side
86,490,623.67x = 5,827,212,809,429,787 - Step 5: Solve for x
x = 5,827,212,809,429,787/86,490,623.67 - Step 6: Final answer
x = 67,373,925.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.