Finding the Fourth Proportional to 135,649,186.40, 203,486,221.20 and 44,772,975.20
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Solution
The fourth proportional to 135,649,186.40, 203,486,221.20 and 44,772,975.20 is: 67,163,569.33
Step by Step Solution
- Step 1: Write the proportion equation
135,649,186.40 : 203,486,221.20 = 44,772,975.20 : x - Step 2: Convert to fraction form
135,649,186.40/203,486,221.20 = 44,772,975.20/x - Step 3: Cross multiply
135,649,186.40x = 203,486,221.20 × 44,772,975.20 - Step 4: Simplify right side
135,649,186.40x = 9,110,683,535,329,314 - Step 5: Solve for x
x = 9,110,683,535,329,314/135,649,186.40 - Step 6: Final answer
x = 67,163,569.33
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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.