Finding the Fourth Proportional to 64,591,695.20, 97,022,326.80 and 54,513,999.20
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Solution
The fourth proportional to 64,591,695.20, 97,022,326.80 and 54,513,999.20 is: 81,884,753.59
Step by Step Solution
- Step 1: Write the proportion equation
64,591,695.20 : 97,022,326.80 = 54,513,999.20 : x - Step 2: Convert to fraction form
64,591,695.20/97,022,326.80 = 54,513,999.20/x - Step 3: Cross multiply
64,591,695.20x = 97,022,326.80 × 54,513,999.20 - Step 4: Simplify right side
64,591,695.20x = 5,289,075,045,557,339 - Step 5: Solve for x
x = 5,289,075,045,557,339/64,591,695.20 - Step 6: Final answer
x = 81,884,753.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.