Finding the Fourth Proportional to 85,905,549.44, 118,549,677.56 and 47,274,381.44
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Solution
The fourth proportional to 85,905,549.44, 118,549,677.56 and 47,274,381.44 is: 65,238,657.03
Step by Step Solution
- Step 1: Write the proportion equation
85,905,549.44 : 118,549,677.56 = 47,274,381.44 : x - Step 2: Convert to fraction form
85,905,549.44/118,549,677.56 = 47,274,381.44/x - Step 3: Cross multiply
85,905,549.44x = 118,549,677.56 × 47,274,381.44 - Step 4: Simplify right side
85,905,549.44x = 5,604,362,676,560,448 - Step 5: Solve for x
x = 5,604,362,676,560,448/85,905,549.44 - Step 6: Final answer
x = 65,238,657.03
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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.