Finding the Fourth Proportional to 122,534,692.40, 169,097,876.28 and 67,530,549.68
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Solution
The fourth proportional to 122,534,692.40, 169,097,876.28 and 67,530,549.68 is: 93,192,158.98
Step by Step Solution
- Step 1: Write the proportion equation
122,534,692.40 : 169,097,876.28 = 67,530,549.68 : x - Step 2: Convert to fraction form
122,534,692.40/169,097,876.28 = 67,530,549.68/x - Step 3: Cross multiply
122,534,692.40x = 169,097,876.28 × 67,530,549.68 - Step 4: Simplify right side
122,534,692.40x = 11,419,272,534,909,034 - Step 5: Solve for x
x = 11,419,272,534,909,034/122,534,692.40 - Step 6: Final answer
x = 93,192,158.98
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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.