Finding the Fourth Proportional to 137,957,805.99, 206,057,265.76 and 124,807,028.72
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Solution
The fourth proportional to 137,957,805.99, 206,057,265.76 and 124,807,028.72 is: 186,414,932.45
Step by Step Solution
- Step 1: Write the proportion equation
137,957,805.99 : 206,057,265.76 = 124,807,028.72 : x - Step 2: Convert to fraction form
137,957,805.99/206,057,265.76 = 124,807,028.72/x - Step 3: Cross multiply
137,957,805.99x = 206,057,265.76 × 124,807,028.72 - Step 4: Simplify right side
137,957,805.99x = 25,717,395,084,798,716 - Step 5: Solve for x
x = 25,717,395,084,798,716/137,957,805.99 - Step 6: Final answer
x = 186,414,932.45
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.