Finding the Fourth Proportional to 76,805,625.49, 115,189,262.55 and 30,128,598.70
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Solution
The fourth proportional to 76,805,625.49, 115,189,262.55 and 30,128,598.70 is: 45,185,375.99
Step by Step Solution
- Step 1: Write the proportion equation
76,805,625.49 : 115,189,262.55 = 30,128,598.70 : x - Step 2: Convert to fraction form
76,805,625.49/115,189,262.55 = 30,128,598.70/x - Step 3: Cross multiply
76,805,625.49x = 115,189,262.55 × 30,128,598.70 - Step 4: Simplify right side
76,805,625.49x = 3,470,491,065,629,915.50 - Step 5: Solve for x
x = 3,470,491,065,629,915.50/76,805,625.49 - Step 6: Final answer
x = 45,185,375.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.