Finding the Fourth Proportional to 100,760,622.21, 139,092,563.68 and 67,740,022.08
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Solution
The fourth proportional to 100,760,622.21, 139,092,563.68 and 67,740,022.08 is: 93,510,074.95
Step by Step Solution
- Step 1: Write the proportion equation
100,760,622.21 : 139,092,563.68 = 67,740,022.08 : x - Step 2: Convert to fraction form
100,760,622.21/139,092,563.68 = 67,740,022.08/x - Step 3: Cross multiply
100,760,622.21x = 139,092,563.68 × 67,740,022.08 - Step 4: Simplify right side
100,760,622.21x = 9,422,133,334,677,656 - Step 5: Solve for x
x = 9,422,133,334,677,656/100,760,622.21 - Step 6: Final answer
x = 93,510,074.95
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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.