Finding the Fourth Proportional to 70,297,920.78, 105,463,716.66 and 29,334,572.94
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Solution
The fourth proportional to 70,297,920.78, 105,463,716.66 and 29,334,572.94 is: 44,008,884.68
Step by Step Solution
- Step 1: Write the proportion equation
70,297,920.78 : 105,463,716.66 = 29,334,572.94 : x - Step 2: Convert to fraction form
70,297,920.78/105,463,716.66 = 29,334,572.94/x - Step 3: Cross multiply
70,297,920.78x = 105,463,716.66 × 29,334,572.94 - Step 4: Simplify right side
70,297,920.78x = 3,093,733,088,886,263 - Step 5: Solve for x
x = 3,093,733,088,886,263/70,297,920.78 - Step 6: Final answer
x = 44,008,884.68
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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.