Finding the Fourth Proportional to 141,968,496.67, 195,918,428.97 and 80,088,643.87
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Solution
The fourth proportional to 141,968,496.67, 195,918,428.97 and 80,088,643.87 is: 110,523,402.40
Step by Step Solution
- Step 1: Write the proportion equation
141,968,496.67 : 195,918,428.97 = 80,088,643.87 : x - Step 2: Convert to fraction form
141,968,496.67/195,918,428.97 = 80,088,643.87/x - Step 3: Cross multiply
141,968,496.67x = 195,918,428.97 × 80,088,643.87 - Step 4: Simplify right side
141,968,496.67x = 15,690,841,284,368,628 - Step 5: Solve for x
x = 15,690,841,284,368,628/141,968,496.67 - Step 6: Final answer
x = 110,523,402.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.