Finding the Fourth Proportional to 205,185,750.48, 307,779,238.08 and 49,738,942.08
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Solution
The fourth proportional to 205,185,750.48, 307,779,238.08 and 49,738,942.08 is: 74,608,561.56
Step by Step Solution
- Step 1: Write the proportion equation
205,185,750.48 : 307,779,238.08 = 49,738,942.08 : x - Step 2: Convert to fraction form
205,185,750.48/307,779,238.08 = 49,738,942.08/x - Step 3: Cross multiply
205,185,750.48x = 307,779,238.08 × 49,738,942.08 - Step 4: Simplify right side
205,185,750.48x = 15,308,613,696,287,650 - Step 5: Solve for x
x = 15,308,613,696,287,650/205,185,750.48 - Step 6: Final answer
x = 74,608,561.56
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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.