Finding the Fourth Proportional to 99,645,408.45, 149,468,112.68 and 93,268,116.45
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Solution
The fourth proportional to 99,645,408.45, 149,468,112.68 and 93,268,116.45 is: 139,902,174.68
Step by Step Solution
- Step 1: Write the proportion equation
99,645,408.45 : 149,468,112.68 = 93,268,116.45 : x - Step 2: Convert to fraction form
99,645,408.45/149,468,112.68 = 93,268,116.45/x - Step 3: Cross multiply
99,645,408.45x = 149,468,112.68 × 93,268,116.45 - Step 4: Simplify right side
99,645,408.45x = 13,940,609,338,533,622 - Step 5: Solve for x
x = 13,940,609,338,533,622/99,645,408.45 - Step 6: Final answer
x = 139,902,174.68
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1.5x scale
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.