Finding the Fourth Proportional to 90,869,378.99, 136,346,632.97 and 44,786,126.34
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Solution
The fourth proportional to 90,869,378.99, 136,346,632.97 and 44,786,126.34 is: 67,200,167.96
Step by Step Solution
- Step 1: Write the proportion equation
90,869,378.99 : 136,346,632.97 = 44,786,126.34 : x - Step 2: Convert to fraction form
90,869,378.99/136,346,632.97 = 44,786,126.34/x - Step 3: Cross multiply
90,869,378.99x = 136,346,632.97 × 44,786,126.34 - Step 4: Simplify right side
90,869,378.99x = 6,106,437,530,004,099 - Step 5: Solve for x
x = 6,106,437,530,004,099/90,869,378.99 - Step 6: Final answer
x = 67,200,167.96
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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.