Finding the Fourth Proportional to 83,635,123.34, 115,409,703.64 and 48,355,191.99
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Solution
The fourth proportional to 83,635,123.34, 115,409,703.64 and 48,355,191.99 is: 66,726,252.72
Step by Step Solution
- Step 1: Write the proportion equation
83,635,123.34 : 115,409,703.64 = 48,355,191.99 : x - Step 2: Convert to fraction form
83,635,123.34/115,409,703.64 = 48,355,191.99/x - Step 3: Cross multiply
83,635,123.34x = 115,409,703.64 × 48,355,191.99 - Step 4: Simplify right side
83,635,123.34x = 5,580,658,376,202,378 - Step 5: Solve for x
x = 5,580,658,376,202,378/83,635,123.34 - Step 6: Final answer
x = 66,726,252.72
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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.