Finding the Fourth Proportional to 168,204,077.05, 252,305,056.84 and 90,517,574.97
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Solution
The fourth proportional to 168,204,077.05, 252,305,056.84 and 90,517,574.97 is: 135,775,792.70
Step by Step Solution
- Step 1: Write the proportion equation
168,204,077.05 : 252,305,056.84 = 90,517,574.97 : x - Step 2: Convert to fraction form
168,204,077.05/252,305,056.84 = 90,517,574.97/x - Step 3: Cross multiply
168,204,077.05x = 252,305,056.84 × 90,517,574.97 - Step 4: Simplify right side
168,204,077.05x = 22,838,041,896,110,700 - Step 5: Solve for x
x = 22,838,041,896,110,700/168,204,077.05 - Step 6: Final answer
x = 135,775,792.70
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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.