Finding the Fourth Proportional to 135,438,516,115, 203,023,581,361.20 and 63,599,431,210.18
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Solution
The fourth proportional to 135,438,516,115, 203,023,581,361.20 and 63,599,431,210.18 is: 95,336,132,344.08
Step by Step Solution
- Step 1: Write the proportion equation
135,438,516,115 : 203,023,581,361.20 = 63,599,431,210.18 : x - Step 2: Convert to fraction form
135,438,516,115/203,023,581,361.20 = 63,599,431,210.18/x - Step 3: Cross multiply
135,438,516,115x = 203,023,581,361.20 × 63,599,431,210.18 - Step 4: Simplify right side
135,438,516,115x = 12,912,184,296,826,021,609,472 - Step 5: Solve for x
x = 12,912,184,296,826,021,609,472/135,438,516,115 - Step 6: Final answer
x = 95,336,132,344.08
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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.