Finding the Fourth Proportional to 117,631,892.63, 176,410,403.85 and 38,833,728.05
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Solution
The fourth proportional to 117,631,892.63, 176,410,403.85 and 38,833,728.05 is: 58,238,233.66
Step by Step Solution
- Step 1: Write the proportion equation
117,631,892.63 : 176,410,403.85 = 38,833,728.05 : x - Step 2: Convert to fraction form
117,631,892.63/176,410,403.85 = 38,833,728.05/x - Step 3: Cross multiply
117,631,892.63x = 176,410,403.85 × 38,833,728.05 - Step 4: Simplify right side
117,631,892.63x = 6,850,673,648,301,572 - Step 5: Solve for x
x = 6,850,673,648,301,572/117,631,892.63 - Step 6: Final answer
x = 58,238,233.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.