Finding the Fourth Proportional to 131,786,080.58, 197,539,746.40 and 48,734,469.21
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Solution
The fourth proportional to 131,786,080.58, 197,539,746.40 and 48,734,469.21 is: 73,050,163.17
Step by Step Solution
- Step 1: Write the proportion equation
131,786,080.58 : 197,539,746.40 = 48,734,469.21 : x - Step 2: Convert to fraction form
131,786,080.58/197,539,746.40 = 48,734,469.21/x - Step 3: Cross multiply
131,786,080.58x = 197,539,746.40 × 48,734,469.21 - Step 4: Simplify right side
131,786,080.58x = 9,626,994,689,483,700 - Step 5: Solve for x
x = 9,626,994,689,483,700/131,786,080.58 - Step 6: Final answer
x = 73,050,163.17
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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.