Finding the Fourth Proportional to 45,442,489.20, 68,163,733.80 and 14,737,009.20
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Solution
The fourth proportional to 45,442,489.20, 68,163,733.80 and 14,737,009.20 is: 22,105,513.80
Step by Step Solution
- Step 1: Write the proportion equation
45,442,489.20 : 68,163,733.80 = 14,737,009.20 : x - Step 2: Convert to fraction form
45,442,489.20/68,163,733.80 = 14,737,009.20/x - Step 3: Cross multiply
45,442,489.20x = 68,163,733.80 × 14,737,009.20 - Step 4: Simplify right side
45,442,489.20x = 1,004,529,572,116,950.88 - Step 5: Solve for x
x = 1,004,529,572,116,950.88/45,442,489.20 - Step 6: Final answer
x = 22,105,513.80
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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.