Finding the Fourth Proportional to 147,177,792.75, 203,096,201.09 and 81,094,592.93
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Solution
The fourth proportional to 147,177,792.75, 203,096,201.09 and 81,094,592.93 is: 111,905,495.02
Step by Step Solution
- Step 1: Write the proportion equation
147,177,792.75 : 203,096,201.09 = 81,094,592.93 : x - Step 2: Convert to fraction form
147,177,792.75/203,096,201.09 = 81,094,592.93/x - Step 3: Cross multiply
147,177,792.75x = 203,096,201.09 × 81,094,592.93 - Step 4: Simplify right side
147,177,792.75x = 16,470,003,753,125,242 - Step 5: Solve for x
x = 16,470,003,753,125,242/147,177,792.75 - Step 6: Final answer
x = 111,905,495.02
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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.