Finding the Fourth Proportional to 70,991,760.53, 106,207,456.93 and 53,769,572.93
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Solution
The fourth proportional to 70,991,760.53, 106,207,456.93 and 53,769,572.93 is: 80,442,146.50
Step by Step Solution
- Step 1: Write the proportion equation
70,991,760.53 : 106,207,456.93 = 53,769,572.93 : x - Step 2: Convert to fraction form
70,991,760.53/106,207,456.93 = 53,769,572.93/x - Step 3: Cross multiply
70,991,760.53x = 106,207,456.93 × 53,769,572.93 - Step 4: Simplify right side
70,991,760.53x = 5,710,729,601,107,469 - Step 5: Solve for x
x = 5,710,729,601,107,469/70,991,760.53 - Step 6: Final answer
x = 80,442,146.50
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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.