Finding the Fourth Proportional to 156,586,125.80, 234,879,188.70 and 156,586,125.80
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Solution
The fourth proportional to 156,586,125.80, 234,879,188.70 and 156,586,125.80 is: 234,879,188.70
Step by Step Solution
- Step 1: Write the proportion equation
156,586,125.80 : 234,879,188.70 = 156,586,125.80 : x - Step 2: Convert to fraction form
156,586,125.80/234,879,188.70 = 156,586,125.80/x - Step 3: Cross multiply
156,586,125.80x = 234,879,188.70 × 156,586,125.80 - Step 4: Simplify right side
156,586,125.80x = 36,778,822,189,580,136 - Step 5: Solve for x
x = 36,778,822,189,580,136/156,586,125.80 - Step 6: Final answer
x = 234,879,188.70
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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.