Finding the Fourth Proportional to 84,199,610.70, 126,299,416.05 and 38,849,978.70
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Solution
The fourth proportional to 84,199,610.70, 126,299,416.05 and 38,849,978.70 is: 58,274,968.05
Step by Step Solution
- Step 1: Write the proportion equation
84,199,610.70 : 126,299,416.05 = 38,849,978.70 : x - Step 2: Convert to fraction form
84,199,610.70/126,299,416.05 = 38,849,978.70/x - Step 3: Cross multiply
84,199,610.70x = 126,299,416.05 × 38,849,978.70 - Step 4: Simplify right side
84,199,610.70x = 4,906,729,623,364,938 - Step 5: Solve for x
x = 4,906,729,623,364,938/84,199,610.70 - Step 6: Final answer
x = 58,274,968.05
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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.