Finding the Fourth Proportional to 112,173,670.45, 168,260,505.68 and 93,026,048.05
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Solution
The fourth proportional to 112,173,670.45, 168,260,505.68 and 93,026,048.05 is: 139,539,072.08
Step by Step Solution
- Step 1: Write the proportion equation
112,173,670.45 : 168,260,505.68 = 93,026,048.05 : x - Step 2: Convert to fraction form
112,173,670.45/168,260,505.68 = 93,026,048.05/x - Step 3: Cross multiply
112,173,670.45x = 168,260,505.68 × 93,026,048.05 - Step 4: Simplify right side
112,173,670.45x = 15,652,609,886,304,978 - Step 5: Solve for x
x = 15,652,609,886,304,978/112,173,670.45 - Step 6: Final answer
x = 139,539,072.08
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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.