Finding the Fourth Proportional to 146,323,440.47, 201,907,788.88 and 80,226,545.62
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Solution
The fourth proportional to 146,323,440.47, 201,907,788.88 and 80,226,545.62 is: 110,702,457.40
Step by Step Solution
- Step 1: Write the proportion equation
146,323,440.47 : 201,907,788.88 = 80,226,545.62 : x - Step 2: Convert to fraction form
146,323,440.47/201,907,788.88 = 80,226,545.62/x - Step 3: Cross multiply
146,323,440.47x = 201,907,788.88 × 80,226,545.62 - Step 4: Simplify right side
146,323,440.47x = 16,198,364,435,614,650 - Step 5: Solve for x
x = 16,198,364,435,614,650/146,323,440.47 - Step 6: Final answer
x = 110,702,457.40
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.