Finding the Fourth Proportional to 107,958,605.80, 161,937,908.70 and 97,544,986.60
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Solution
The fourth proportional to 107,958,605.80, 161,937,908.70 and 97,544,986.60 is: 146,317,479.90
Step by Step Solution
- Step 1: Write the proportion equation
107,958,605.80 : 161,937,908.70 = 97,544,986.60 : x - Step 2: Convert to fraction form
107,958,605.80/161,937,908.70 = 97,544,986.60/x - Step 3: Cross multiply
107,958,605.80x = 161,937,908.70 × 97,544,986.60 - Step 4: Simplify right side
107,958,605.80x = 15,796,231,134,173,522 - Step 5: Solve for x
x = 15,796,231,134,173,522/107,958,605.80 - Step 6: Final answer
x = 146,317,479.90
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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.