Finding the Fourth Proportional to 106,418,715.30, 159,651,692.55 and 48,897,116.10
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Solution
The fourth proportional to 106,418,715.30, 159,651,692.55 and 48,897,116.10 is: 73,356,526.85
Step by Step Solution
- Step 1: Write the proportion equation
106,418,715.30 : 159,651,692.55 = 48,897,116.10 : x - Step 2: Convert to fraction form
106,418,715.30/159,651,692.55 = 48,897,116.10/x - Step 3: Cross multiply
106,418,715.30x = 159,651,692.55 × 48,897,116.10 - Step 4: Simplify right side
106,418,715.30x = 7,806,507,346,178,856 - Step 5: Solve for x
x = 7,806,507,346,178,856/106,418,715.30 - Step 6: Final answer
x = 73,356,526.85
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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.