Finding the Fourth Proportional to 88,529,472.99, 122,128,976.21 and 57,578,349.15
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Solution
The fourth proportional to 88,529,472.99, 122,128,976.21 and 57,578,349.15 is: 79,431,002.98
Step by Step Solution
- Step 1: Write the proportion equation
88,529,472.99 : 122,128,976.21 = 57,578,349.15 : x - Step 2: Convert to fraction form
88,529,472.99/122,128,976.21 = 57,578,349.15/x - Step 3: Cross multiply
88,529,472.99x = 122,128,976.21 × 57,578,349.15 - Step 4: Simplify right side
88,529,472.99x = 7,031,984,833,263,532 - Step 5: Solve for x
x = 7,031,984,833,263,532/88,529,472.99 - Step 6: Final answer
x = 79,431,002.98
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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.