Finding the Fourth Proportional to 99,829,007.80, 149,743,511.70 and 94,790,159.80
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Solution
The fourth proportional to 99,829,007.80, 149,743,511.70 and 94,790,159.80 is: 142,185,239.70
Step by Step Solution
- Step 1: Write the proportion equation
99,829,007.80 : 149,743,511.70 = 94,790,159.80 : x - Step 2: Convert to fraction form
99,829,007.80/149,743,511.70 = 94,790,159.80/x - Step 3: Cross multiply
99,829,007.80x = 149,743,511.70 × 94,790,159.80 - Step 4: Simplify right side
99,829,007.80x = 14,194,211,403,056,168 - Step 5: Solve for x
x = 14,194,211,403,056,168/99,829,007.80 - Step 6: Final answer
x = 142,185,239.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.