Finding the Fourth Proportional to 88,731,316.85, 122,446,961.37 and 49,573,387.68
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Solution
The fourth proportional to 88,731,316.85, 122,446,961.37 and 49,573,387.68 is: 68,410,014.66
Step by Step Solution
- Step 1: Write the proportion equation
88,731,316.85 : 122,446,961.37 = 49,573,387.68 : x - Step 2: Convert to fraction form
88,731,316.85/122,446,961.37 = 49,573,387.68/x - Step 3: Cross multiply
88,731,316.85x = 122,446,961.37 × 49,573,387.68 - Step 4: Simplify right side
88,731,316.85x = 6,070,110,686,418,894 - Step 5: Solve for x
x = 6,070,110,686,418,894/88,731,316.85 - Step 6: Final answer
x = 68,410,014.66
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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.