Finding the Fourth Proportional to 171,177,318.64, 236,224,699.72 and 97,840,035.28
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Solution
The fourth proportional to 171,177,318.64, 236,224,699.72 and 97,840,035.28 is: 135,019,248.68
Step by Step Solution
- Step 1: Write the proportion equation
171,177,318.64 : 236,224,699.72 = 97,840,035.28 : x - Step 2: Convert to fraction form
171,177,318.64/236,224,699.72 = 97,840,035.28/x - Step 3: Cross multiply
171,177,318.64x = 236,224,699.72 × 97,840,035.28 - Step 4: Simplify right side
171,177,318.64x = 23,112,232,954,612,208 - Step 5: Solve for x
x = 23,112,232,954,612,208/171,177,318.64 - Step 6: Final answer
x = 135,019,248.68
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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.