Finding the Fourth Proportional to 164,482,478.55, 246,723,717.83 and 132,197,437.80
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Solution
The fourth proportional to 164,482,478.55, 246,723,717.83 and 132,197,437.80 is: 198,296,156.70
Step by Step Solution
- Step 1: Write the proportion equation
164,482,478.55 : 246,723,717.83 = 132,197,437.80 : x - Step 2: Convert to fraction form
164,482,478.55/246,723,717.83 = 132,197,437.80/x - Step 3: Cross multiply
164,482,478.55x = 246,723,717.83 × 132,197,437.80 - Step 4: Simplify right side
164,482,478.55x = 32,616,243,340,955,188 - Step 5: Solve for x
x = 32,616,243,340,955,188/164,482,478.55 - Step 6: Final answer
x = 198,296,156.70
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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.