Finding the Fourth Proportional to 134,321,377.60, 201,531,832.80 and 129,344,737.60
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Solution
The fourth proportional to 134,321,377.60, 201,531,832.80 and 129,344,737.60 is: 194,065,028.94
Step by Step Solution
- Step 1: Write the proportion equation
134,321,377.60 : 201,531,832.80 = 129,344,737.60 : x - Step 2: Convert to fraction form
134,321,377.60/201,531,832.80 = 129,344,737.60/x - Step 3: Cross multiply
134,321,377.60x = 201,531,832.80 × 129,344,737.60 - Step 4: Simplify right side
134,321,377.60x = 26,067,082,031,563,072 - Step 5: Solve for x
x = 26,067,082,031,563,072/134,321,377.60 - Step 6: Final answer
x = 194,065,028.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.