Finding the Fourth Proportional to 182,415,820.60, 273,670,386.90 and 128,668,108.60
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Solution
The fourth proportional to 182,415,820.60, 273,670,386.90 and 128,668,108.60 is: 193,035,071.99
Step by Step Solution
- Step 1: Write the proportion equation
182,415,820.60 : 273,670,386.90 = 128,668,108.60 : x - Step 2: Convert to fraction form
182,415,820.60/273,670,386.90 = 128,668,108.60/x - Step 3: Cross multiply
182,415,820.60x = 273,670,386.90 × 128,668,108.60 - Step 4: Simplify right side
182,415,820.60x = 35,212,651,062,253,212 - Step 5: Solve for x
x = 35,212,651,062,253,212/182,415,820.60 - Step 6: Final answer
x = 193,035,071.99
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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.