Finding the Fourth Proportional to 149,468,203.20, 224,202,304.80 and 72,940,699.20
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Solution
The fourth proportional to 149,468,203.20, 224,202,304.80 and 72,940,699.20 is: 109,411,048.80
Step by Step Solution
- Step 1: Write the proportion equation
149,468,203.20 : 224,202,304.80 = 72,940,699.20 : x - Step 2: Convert to fraction form
149,468,203.20/224,202,304.80 = 72,940,699.20/x - Step 3: Cross multiply
149,468,203.20x = 224,202,304.80 × 72,940,699.20 - Step 4: Simplify right side
149,468,203.20x = 16,353,472,874,363,518 - Step 5: Solve for x
x = 16,353,472,874,363,518/149,468,203.20 - Step 6: Final answer
x = 109,411,048.80
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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.