Finding the Fourth Proportional to 149,463,735.84, 206,274,152.88 and 93,717,980.64
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Solution
The fourth proportional to 149,463,735.84, 206,274,152.88 and 93,717,980.64 is: 129,339,715.47
Step by Step Solution
- Step 1: Write the proportion equation
149,463,735.84 : 206,274,152.88 = 93,717,980.64 : x - Step 2: Convert to fraction form
149,463,735.84/206,274,152.88 = 93,717,980.64/x - Step 3: Cross multiply
149,463,735.84x = 206,274,152.88 × 93,717,980.64 - Step 4: Simplify right side
149,463,735.84x = 19,331,597,066,140,240 - Step 5: Solve for x
x = 19,331,597,066,140,240/149,463,735.84 - Step 6: Final answer
x = 129,339,715.47
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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.