Finding the Fourth Proportional to 110,652,110.20, 165,836,447.70 and 84,965,795.20
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Solution
The fourth proportional to 110,652,110.20, 165,836,447.70 and 84,965,795.20 is: 127,339,872.93
Step by Step Solution
- Step 1: Write the proportion equation
110,652,110.20 : 165,836,447.70 = 84,965,795.20 : x - Step 2: Convert to fraction form
110,652,110.20/165,836,447.70 = 84,965,795.20/x - Step 3: Cross multiply
110,652,110.20x = 165,836,447.70 × 84,965,795.20 - Step 4: Simplify right side
110,652,110.20x = 14,090,425,651,973,710 - Step 5: Solve for x
x = 14,090,425,651,973,710/110,652,110.20 - Step 6: Final answer
x = 127,339,872.93
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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.