Finding the Fourth Proportional to 120,299,519.09, 166,008,890.99 and 65,294,194.61
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Solution
The fourth proportional to 120,299,519.09, 166,008,890.99 and 65,294,194.61 is: 90,103,575.78
Step by Step Solution
- Step 1: Write the proportion equation
120,299,519.09 : 166,008,890.99 = 65,294,194.61 : x - Step 2: Convert to fraction form
120,299,519.09/166,008,890.99 = 65,294,194.61/x - Step 3: Cross multiply
120,299,519.09x = 166,008,890.99 × 65,294,194.61 - Step 4: Simplify right side
120,299,519.09x = 10,839,416,834,134,820 - Step 5: Solve for x
x = 10,839,416,834,134,820/120,299,519.09 - Step 6: Final answer
x = 90,103,575.78
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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.