Finding the Fourth Proportional to 135,508,423.58, 203,262,233.21 and 38,464,213.34
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Solution
The fourth proportional to 135,508,423.58, 203,262,233.21 and 38,464,213.34 is: 57,696,205.86
Step by Step Solution
- Step 1: Write the proportion equation
135,508,423.58 : 203,262,233.21 = 38,464,213.34 : x - Step 2: Convert to fraction form
135,508,423.58/203,262,233.21 = 38,464,213.34/x - Step 3: Cross multiply
135,508,423.58x = 203,262,233.21 × 38,464,213.34 - Step 4: Simplify right side
135,508,423.58x = 7,818,321,902,154,274 - Step 5: Solve for x
x = 7,818,321,902,154,274/135,508,423.58 - Step 6: Final answer
x = 57,696,205.86
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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.