Finding the Fourth Proportional to 122,117,710.80, 168,524,084.08 and 66,364,237.92
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Solution
The fourth proportional to 122,117,710.80, 168,524,084.08 and 66,364,237.92 is: 91,583,541.31
Step by Step Solution
- Step 1: Write the proportion equation
122,117,710.80 : 168,524,084.08 = 66,364,237.92 : x - Step 2: Convert to fraction form
122,117,710.80/168,524,084.08 = 66,364,237.92/x - Step 3: Cross multiply
122,117,710.80x = 168,524,084.08 × 66,364,237.92 - Step 4: Simplify right side
122,117,710.80x = 11,183,972,411,135,206 - Step 5: Solve for x
x = 11,183,972,411,135,206/122,117,710.80 - Step 6: Final answer
x = 91,583,541.31
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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.