Finding the Fourth Proportional to 168,450,383.60, 252,455,427.12 and 121,920,539.52
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Solution
The fourth proportional to 168,450,383.60, 252,455,427.12 and 121,920,539.52 is: 182,721,470.98
Step by Step Solution
- Step 1: Write the proportion equation
168,450,383.60 : 252,455,427.12 = 121,920,539.52 : x - Step 2: Convert to fraction form
168,450,383.60/252,455,427.12 = 121,920,539.52/x - Step 3: Cross multiply
168,450,383.60x = 252,455,427.12 × 121,920,539.52 - Step 4: Simplify right side
168,450,383.60x = 30,779,501,879,222,440 - Step 5: Solve for x
x = 30,779,501,879,222,440/168,450,383.60 - Step 6: Final answer
x = 182,721,470.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.