Finding the Fourth Proportional to 248,062,455.45, 342,330,542.06 and 135,035,197.47
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Solution
The fourth proportional to 248,062,455.45, 342,330,542.06 and 135,035,197.47 is: 186,350,942.40
Step by Step Solution
- Step 1: Write the proportion equation
248,062,455.45 : 342,330,542.06 = 135,035,197.47 : x - Step 2: Convert to fraction form
248,062,455.45/342,330,542.06 = 135,035,197.47/x - Step 3: Cross multiply
248,062,455.45x = 342,330,542.06 × 135,035,197.47 - Step 4: Simplify right side
248,062,455.45x = 46,226,672,346,409,064 - Step 5: Solve for x
x = 46,226,672,346,409,064/248,062,455.45 - Step 6: Final answer
x = 186,350,942.40
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.