Finding the Fourth Proportional to 168,446,721.30, 252,670,081.95 and 161,750,564.70
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Solution
The fourth proportional to 168,446,721.30, 252,670,081.95 and 161,750,564.70 is: 242,625,847.05
Step by Step Solution
- Step 1: Write the proportion equation
168,446,721.30 : 252,670,081.95 = 161,750,564.70 : x - Step 2: Convert to fraction form
168,446,721.30/252,670,081.95 = 161,750,564.70/x - Step 3: Cross multiply
168,446,721.30x = 252,670,081.95 × 161,750,564.70 - Step 4: Simplify right side
168,446,721.30x = 40,869,528,438,207,776 - Step 5: Solve for x
x = 40,869,528,438,207,776/168,446,721.30 - Step 6: Final answer
x = 242,625,847.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.