Finding the Fourth Proportional to 248,060,586.99, 342,320,268.56 and 138,052,270.83
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Solution
The fourth proportional to 248,060,586.99, 342,320,268.56 and 138,052,270.83 is: 190,510,274.12
Step by Step Solution
- Step 1: Write the proportion equation
248,060,586.99 : 342,320,268.56 = 138,052,270.83 : x - Step 2: Convert to fraction form
248,060,586.99/342,320,268.56 = 138,052,270.83/x - Step 3: Cross multiply
248,060,586.99x = 342,320,268.56 × 138,052,270.83 - Step 4: Simplify right side
248,060,586.99x = 47,258,090,425,153,200 - Step 5: Solve for x
x = 47,258,090,425,153,200/248,060,586.99 - Step 6: Final answer
x = 190,510,274.12
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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.