Finding the Fourth Proportional to 82,948,135.60, 124,440,865.80 and 48,851,930.80
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Solution
The fourth proportional to 82,948,135.60, 124,440,865.80 and 48,851,930.80 is: 73,288,887.34
Step by Step Solution
- Step 1: Write the proportion equation
82,948,135.60 : 124,440,865.80 = 48,851,930.80 : x - Step 2: Convert to fraction form
82,948,135.60/124,440,865.80 = 48,851,930.80/x - Step 3: Cross multiply
82,948,135.60x = 124,440,865.80 × 48,851,930.80 - Step 4: Simplify right side
82,948,135.60x = 6,079,176,564,753,686 - Step 5: Solve for x
x = 6,079,176,564,753,686/82,948,135.60 - Step 6: Final answer
x = 73,288,887.34
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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.