Finding the Fourth Proportional to 324,581,102.22, 447,932,753.55 and 177,903,762.06
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Solution
The fourth proportional to 324,581,102.22, 447,932,753.55 and 177,903,762.06 is: 245,513,128.96
Step by Step Solution
- Step 1: Write the proportion equation
324,581,102.22 : 447,932,753.55 = 177,903,762.06 : x - Step 2: Convert to fraction form
324,581,102.22/447,932,753.55 = 177,903,762.06/x - Step 3: Cross multiply
324,581,102.22x = 447,932,753.55 × 177,903,762.06 - Step 4: Simplify right side
324,581,102.22x = 79,688,922,006,439,824 - Step 5: Solve for x
x = 79,688,922,006,439,824/324,581,102.22 - Step 6: Final answer
x = 245,513,128.96
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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.