Finding the Fourth Proportional to 107,770,152.96, 161,757,430.56 and 66,705,374.88
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Solution
The fourth proportional to 107,770,152.96, 161,757,430.56 and 66,705,374.88 is: 100,121,320.69
Step by Step Solution
- Step 1: Write the proportion equation
107,770,152.96 : 161,757,430.56 = 66,705,374.88 : x - Step 2: Convert to fraction form
107,770,152.96/161,757,430.56 = 66,705,374.88/x - Step 3: Cross multiply
107,770,152.96x = 161,757,430.56 × 66,705,374.88 - Step 4: Simplify right side
107,770,152.96x = 10,790,090,045,130,368 - Step 5: Solve for x
x = 10,790,090,045,130,368/107,770,152.96 - Step 6: Final answer
x = 100,121,320.69
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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.