Finding the Fourth Proportional to 163,673,311.20, 245,545,396.20 and 48,669,478.80
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Solution
The fourth proportional to 163,673,311.20, 245,545,396.20 and 48,669,478.80 is: 73,014,753.40
Step by Step Solution
- Step 1: Write the proportion equation
163,673,311.20 : 245,545,396.20 = 48,669,478.80 : x - Step 2: Convert to fraction form
163,673,311.20/245,545,396.20 = 48,669,478.80/x - Step 3: Cross multiply
163,673,311.20x = 245,545,396.20 × 48,669,478.80 - Step 4: Simplify right side
163,673,311.20x = 11,950,566,454,793,500 - Step 5: Solve for x
x = 11,950,566,454,793,500/163,673,311.20 - Step 6: Final answer
x = 73,014,753.40
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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.