Finding the Fourth Proportional to 112,336,381.73, 155,024,416.84 and 62,776,755.48
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Solution
The fourth proportional to 112,336,381.73, 155,024,416.84 and 62,776,755.48 is: 86,632,039.95
Step by Step Solution
- Step 1: Write the proportion equation
112,336,381.73 : 155,024,416.84 = 62,776,755.48 : x - Step 2: Convert to fraction form
112,336,381.73/155,024,416.84 = 62,776,755.48/x - Step 3: Cross multiply
112,336,381.73x = 155,024,416.84 × 62,776,755.48 - Step 4: Simplify right side
112,336,381.73x = 9,731,929,909,394,274 - Step 5: Solve for x
x = 9,731,929,909,394,274/112,336,381.73 - Step 6: Final answer
x = 86,632,039.95
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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.