Finding the Fourth Proportional to 123,706,627.18, 170,715,544.45 and 68,702,483.68
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Solution
The fourth proportional to 123,706,627.18, 170,715,544.45 and 68,702,483.68 is: 94,809,649.03
Step by Step Solution
- Step 1: Write the proportion equation
123,706,627.18 : 170,715,544.45 = 68,702,483.68 : x - Step 2: Convert to fraction form
123,706,627.18/170,715,544.45 = 68,702,483.68/x - Step 3: Cross multiply
123,706,627.18x = 170,715,544.45 × 68,702,483.68 - Step 4: Simplify right side
123,706,627.18x = 11,728,581,905,899,892 - Step 5: Solve for x
x = 11,728,581,905,899,892/123,706,627.18 - Step 6: Final answer
x = 94,809,649.03
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.