Finding the Fourth Proportional to 253,119,769.93, 349,318,845.24 and 141,603,958.32
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Solution
The fourth proportional to 253,119,769.93, 349,318,845.24 and 141,603,958.32 is: 195,421,049.94
Step by Step Solution
- Step 1: Write the proportion equation
253,119,769.93 : 349,318,845.24 = 141,603,958.32 : x - Step 2: Convert to fraction form
253,119,769.93/349,318,845.24 = 141,603,958.32/x - Step 3: Cross multiply
253,119,769.93x = 349,318,845.24 × 141,603,958.32 - Step 4: Simplify right side
253,119,769.93x = 49,464,931,199,914,528 - Step 5: Solve for x
x = 49,464,931,199,914,528/253,119,769.93 - Step 6: Final answer
x = 195,421,049.94
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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.