Finding the Fourth Proportional to 85,235,969.56, 117,657,624.56 and 55,869,193.48
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Solution
The fourth proportional to 85,235,969.56, 117,657,624.56 and 55,869,193.48 is: 77,120,453.08
Step by Step Solution
- Step 1: Write the proportion equation
85,235,969.56 : 117,657,624.56 = 55,869,193.48 : x - Step 2: Convert to fraction form
85,235,969.56/117,657,624.56 = 55,869,193.48/x - Step 3: Cross multiply
85,235,969.56x = 117,657,624.56 × 55,869,193.48 - Step 4: Simplify right side
85,235,969.56x = 6,573,436,590,939,840 - Step 5: Solve for x
x = 6,573,436,590,939,840/85,235,969.56 - Step 6: Final answer
x = 77,120,453.08
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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.