Finding the Fourth Proportional to 139,538,512, 192,563,146.56 and 77,673,465.19
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Solution
The fourth proportional to 139,538,512, 192,563,146.56 and 77,673,465.19 is: 107,189,381.96
Step by Step Solution
- Step 1: Write the proportion equation
139,538,512 : 192,563,146.56 = 77,673,465.19 : x - Step 2: Convert to fraction form
139,538,512/192,563,146.56 = 77,673,465.19/x - Step 3: Cross multiply
139,538,512x = 192,563,146.56 × 77,673,465.19 - Step 4: Simplify right side
139,538,512x = 14,957,046,861,205,028 - Step 5: Solve for x
x = 14,957,046,861,205,028/139,538,512 - Step 6: Final answer
x = 107,189,381.96
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.