Finding the Fourth Proportional to 162,374,376.96, 223,859,872.29 and 128,994,610.14
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Solution
The fourth proportional to 162,374,376.96, 223,859,872.29 and 128,994,610.14 is: 177,840,355.68
Step by Step Solution
- Step 1: Write the proportion equation
162,374,376.96 : 223,859,872.29 = 128,994,610.14 : x - Step 2: Convert to fraction form
162,374,376.96/223,859,872.29 = 128,994,610.14/x - Step 3: Cross multiply
162,374,376.96x = 223,859,872.29 × 128,994,610.14 - Step 4: Simplify right side
162,374,376.96x = 28,876,716,952,038,740 - Step 5: Solve for x
x = 28,876,716,952,038,740/162,374,376.96 - Step 6: Final answer
x = 177,840,355.68
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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.