Finding the Fourth Proportional to 145,926,679.80, 201,375,711.18 and 79,846,912.44
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Solution
The fourth proportional to 145,926,679.80, 201,375,711.18 and 79,846,912.44 is: 110,187,039.14
Step by Step Solution
- Step 1: Write the proportion equation
145,926,679.80 : 201,375,711.18 = 79,846,912.44 : x - Step 2: Convert to fraction form
145,926,679.80/201,375,711.18 = 79,846,912.44/x - Step 3: Cross multiply
145,926,679.80x = 201,375,711.18 × 79,846,912.44 - Step 4: Simplify right side
145,926,679.80x = 16,079,228,778,132,190 - Step 5: Solve for x
x = 16,079,228,778,132,190/145,926,679.80 - Step 6: Final answer
x = 110,187,039.14
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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.