Finding the Fourth Proportional to 99,557,509.24, 137,419,728.42 and 57,752,139.16
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Solution
The fourth proportional to 99,557,509.24, 137,419,728.42 and 57,752,139.16 is: 79,715,566.81
Step by Step Solution
- Step 1: Write the proportion equation
99,557,509.24 : 137,419,728.42 = 57,752,139.16 : x - Step 2: Convert to fraction form
99,557,509.24/137,419,728.42 = 57,752,139.16/x - Step 3: Cross multiply
99,557,509.24x = 137,419,728.42 × 57,752,139.16 - Step 4: Simplify right side
99,557,509.24x = 7,936,283,279,041,246 - Step 5: Solve for x
x = 7,936,283,279,041,246/99,557,509.24 - Step 6: Final answer
x = 79,715,566.81
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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.