Finding the Fourth Proportional to 212,283,555.84, 318,413,356.74 and 94,074,271.56
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Solution
The fourth proportional to 212,283,555.84, 318,413,356.74 and 94,074,271.56 is: 141,106,099.68
Step by Step Solution
- Step 1: Write the proportion equation
212,283,555.84 : 318,413,356.74 = 94,074,271.56 : x - Step 2: Convert to fraction form
212,283,555.84/318,413,356.74 = 94,074,271.56/x - Step 3: Cross multiply
212,283,555.84x = 318,413,356.74 × 94,074,271.56 - Step 4: Simplify right side
212,283,555.84x = 29,954,504,590,289,916 - Step 5: Solve for x
x = 29,954,504,590,289,916/212,283,555.84 - Step 6: Final answer
x = 141,106,099.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.