Finding the Fourth Proportional to 101,354,469.20, 152,031,703.80 and 88,599,885.20
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Solution
The fourth proportional to 101,354,469.20, 152,031,703.80 and 88,599,885.20 is: 132,899,827.80
Step by Step Solution
- Step 1: Write the proportion equation
101,354,469.20 : 152,031,703.80 = 88,599,885.20 : x - Step 2: Convert to fraction form
101,354,469.20/152,031,703.80 = 88,599,885.20/x - Step 3: Cross multiply
101,354,469.20x = 152,031,703.80 × 88,599,885.20 - Step 4: Simplify right side
101,354,469.20x = 13,469,991,503,440,406 - Step 5: Solve for x
x = 13,469,991,503,440,406/101,354,469.20 - Step 6: Final answer
x = 132,899,827.80
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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.