Finding the Fourth Proportional to 75,579,858.80, 113,369,788.20 and 48,683,884.40
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Solution
The fourth proportional to 75,579,858.80, 113,369,788.20 and 48,683,884.40 is: 73,025,826.60
Step by Step Solution
- Step 1: Write the proportion equation
75,579,858.80 : 113,369,788.20 = 48,683,884.40 : x - Step 2: Convert to fraction form
75,579,858.80/113,369,788.20 = 48,683,884.40/x - Step 3: Cross multiply
75,579,858.80x = 113,369,788.20 × 48,683,884.40 - Step 4: Simplify right side
75,579,858.80x = 5,519,281,663,181,284 - Step 5: Solve for x
x = 5,519,281,663,181,284/75,579,858.80 - Step 6: Final answer
x = 73,025,826.60
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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.