Finding the Fourth Proportional to 161,546,948.70, 242,321,805.45 and 53,841,572.70
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Solution
The fourth proportional to 161,546,948.70, 242,321,805.45 and 53,841,572.70 is: 80,762,819.79
Step by Step Solution
- Step 1: Write the proportion equation
161,546,948.70 : 242,321,805.45 = 53,841,572.70 : x - Step 2: Convert to fraction form
161,546,948.70/242,321,805.45 = 53,841,572.70/x - Step 3: Cross multiply
161,546,948.70x = 242,321,805.45 × 53,841,572.70 - Step 4: Simplify right side
161,546,948.70x = 13,046,987,104,931,432 - Step 5: Solve for x
x = 13,046,987,104,931,432/161,546,948.70 - Step 6: Final answer
x = 80,762,819.79
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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.