Finding the Fourth Proportional to 65,207,994.80, 97,811,992.20 and 39,698,826.80
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Solution
The fourth proportional to 65,207,994.80, 97,811,992.20 and 39,698,826.80 is: 59,548,240.20
Step by Step Solution
- Step 1: Write the proportion equation
65,207,994.80 : 97,811,992.20 = 39,698,826.80 : x - Step 2: Convert to fraction form
65,207,994.80/97,811,992.20 = 39,698,826.80/x - Step 3: Cross multiply
65,207,994.80x = 97,811,992.20 × 39,698,826.80 - Step 4: Simplify right side
65,207,994.80x = 3,883,021,337,310,751 - Step 5: Solve for x
x = 3,883,021,337,310,751/65,207,994.80 - Step 6: Final answer
x = 59,548,240.20
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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.