Finding the Fourth Proportional to 99,828,893.80, 149,743,340.70 and 94,790,045.80
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Solution
The fourth proportional to 99,828,893.80, 149,743,340.70 and 94,790,045.80 is: 142,185,068.70
Step by Step Solution
- Step 1: Write the proportion equation
99,828,893.80 : 149,743,340.70 = 94,790,045.80 : x - Step 2: Convert to fraction form
99,828,893.80/149,743,340.70 = 94,790,045.80/x - Step 3: Cross multiply
99,828,893.80x = 149,743,340.70 × 94,790,045.80 - Step 4: Simplify right side
99,828,893.80x = 14,194,178,123,198,002 - Step 5: Solve for x
x = 14,194,178,123,198,002/99,828,893.80 - Step 6: Final answer
x = 142,185,068.70
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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.