Finding the Fourth Proportional to 68,602,734.77, 102,888,403.53 and 40,944,462.01
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Solution
The fourth proportional to 68,602,734.77, 102,888,403.53 and 40,944,462.01 is: 61,407,323.54
Step by Step Solution
- Step 1: Write the proportion equation
68,602,734.77 : 102,888,403.53 = 40,944,462.01 : x - Step 2: Convert to fraction form
68,602,734.77/102,888,403.53 = 40,944,462.01/x - Step 3: Cross multiply
68,602,734.77x = 102,888,403.53 × 40,944,462.01 - Step 4: Simplify right side
68,602,734.77x = 4,212,710,329,192,872.50 - Step 5: Solve for x
x = 4,212,710,329,192,872.50/68,602,734.77 - Step 6: Final answer
x = 61,407,323.54
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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.