Finding the Fourth Proportional to 189,534,712.32, 284,319,418.68 and 53,219,177.28
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Solution
The fourth proportional to 189,534,712.32, 284,319,418.68 and 53,219,177.28 is: 79,833,637.66
Step by Step Solution
- Step 1: Write the proportion equation
189,534,712.32 : 284,319,418.68 = 53,219,177.28 : x - Step 2: Convert to fraction form
189,534,712.32/284,319,418.68 = 53,219,177.28/x - Step 3: Cross multiply
189,534,712.32x = 284,319,418.68 × 53,219,177.28 - Step 4: Simplify right side
189,534,712.32x = 15,131,245,546,877,464 - Step 5: Solve for x
x = 15,131,245,546,877,464/189,534,712.32 - Step 6: Final answer
x = 79,833,637.66
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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.