Finding the Fourth Proportional to 100,166,595.21, 138,359,567.76 and 82,832,958.09
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Solution
The fourth proportional to 100,166,595.21, 138,359,567.76 and 82,832,958.09 is: 114,416,710.02
Step by Step Solution
- Step 1: Write the proportion equation
100,166,595.21 : 138,359,567.76 = 82,832,958.09 : x - Step 2: Convert to fraction form
100,166,595.21/138,359,567.76 = 82,832,958.09/x - Step 3: Cross multiply
100,166,595.21x = 138,359,567.76 × 82,832,958.09 - Step 4: Simplify right side
100,166,595.21x = 11,460,732,277,614,594 - Step 5: Solve for x
x = 11,460,732,277,614,594/100,166,595.21 - Step 6: Final answer
x = 114,416,710.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.