Finding the Fourth Proportional to 87,399,114.30, 131,098,671.45 and 29,877,515.10
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Solution
The fourth proportional to 87,399,114.30, 131,098,671.45 and 29,877,515.10 is: 44,816,272.65
Step by Step Solution
- Step 1: Write the proportion equation
87,399,114.30 : 131,098,671.45 = 29,877,515.10 : x - Step 2: Convert to fraction form
87,399,114.30/131,098,671.45 = 29,877,515.10/x - Step 3: Cross multiply
87,399,114.30x = 131,098,671.45 × 29,877,515.10 - Step 4: Simplify right side
87,399,114.30x = 3,916,902,535,837,314 - Step 5: Solve for x
x = 3,916,902,535,837,314/87,399,114.30 - Step 6: Final answer
x = 44,816,272.65
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1.5x scale
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.