Finding the Fourth Proportional to 115,877,422.60, 173,837,129.10 and 58,224,603.40
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Solution
The fourth proportional to 115,877,422.60, 173,837,129.10 and 58,224,603.40 is: 87,347,454.50
Step by Step Solution
- Step 1: Write the proportion equation
115,877,422.60 : 173,837,129.10 = 58,224,603.40 : x - Step 2: Convert to fraction form
115,877,422.60/173,837,129.10 = 58,224,603.40/x - Step 3: Cross multiply
115,877,422.60x = 173,837,129.10 × 58,224,603.40 - Step 4: Simplify right side
115,877,422.60x = 10,121,597,898,042,098 - Step 5: Solve for x
x = 10,121,597,898,042,098/115,877,422.60 - Step 6: Final answer
x = 87,347,454.50
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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.