Finding the Fourth Proportional to 122,184,164.20, 183,276,246.30 and 67,764,605.80
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Solution
The fourth proportional to 122,184,164.20, 183,276,246.30 and 67,764,605.80 is: 101,646,908.70
Step by Step Solution
- Step 1: Write the proportion equation
122,184,164.20 : 183,276,246.30 = 67,764,605.80 : x - Step 2: Convert to fraction form
122,184,164.20/183,276,246.30 = 67,764,605.80/x - Step 3: Cross multiply
122,184,164.20x = 183,276,246.30 × 67,764,605.80 - Step 4: Simplify right side
122,184,164.20x = 12,419,642,583,023,208 - Step 5: Solve for x
x = 12,419,642,583,023,208/122,184,164.20 - Step 6: Final answer
x = 101,646,908.70
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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.