Finding the Fourth Proportional to 107,631,698.67, 161,473,207.64 and 34,848,501.28
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Solution
The fourth proportional to 107,631,698.67, 161,473,207.64 and 34,848,501.28 is: 52,281,059.88
Step by Step Solution
- Step 1: Write the proportion equation
107,631,698.67 : 161,473,207.64 = 34,848,501.28 : x - Step 2: Convert to fraction form
107,631,698.67/161,473,207.64 = 34,848,501.28/x - Step 3: Cross multiply
107,631,698.67x = 161,473,207.64 × 34,848,501.28 - Step 4: Simplify right side
107,631,698.67x = 5,627,099,282,839,283 - Step 5: Solve for x
x = 5,627,099,282,839,283/107,631,698.67 - Step 6: Final answer
x = 52,281,059.88
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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.