Finding the Fourth Proportional to 99,580,639.97, 137,404,137.27 and 63,848,329.17
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Solution
The fourth proportional to 99,580,639.97, 137,404,137.27 and 63,848,329.17 is: 88,099,700.79
Step by Step Solution
- Step 1: Write the proportion equation
99,580,639.97 : 137,404,137.27 = 63,848,329.17 : x - Step 2: Convert to fraction form
99,580,639.97/137,404,137.27 = 63,848,329.17/x - Step 3: Cross multiply
99,580,639.97x = 137,404,137.27 × 63,848,329.17 - Step 4: Simplify right side
99,580,639.97x = 8,773,024,585,734,826 - Step 5: Solve for x
x = 8,773,024,585,734,826/99,580,639.97 - Step 6: Final answer
x = 88,099,700.79
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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.