Finding the Fourth Proportional to 168,499,520.70, 252,749,281.05 and 149,367,644.70
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Solution
The fourth proportional to 168,499,520.70, 252,749,281.05 and 149,367,644.70 is: 224,051,467.05
Step by Step Solution
- Step 1: Write the proportion equation
168,499,520.70 : 252,749,281.05 = 149,367,644.70 : x - Step 2: Convert to fraction form
168,499,520.70/252,749,281.05 = 149,367,644.70/x - Step 3: Cross multiply
168,499,520.70x = 252,749,281.05 × 149,367,644.70 - Step 4: Simplify right side
168,499,520.70x = 37,752,564,810,056,840 - Step 5: Solve for x
x = 37,752,564,810,056,840/168,499,520.70 - Step 6: Final answer
x = 224,051,467.05
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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.