Finding the Fourth Proportional to 86,301,734.81, 129,451,715.06 and 49,886,954.42
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Solution
The fourth proportional to 86,301,734.81, 129,451,715.06 and 49,886,954.42 is: 74,829,918.80
Step by Step Solution
- Step 1: Write the proportion equation
86,301,734.81 : 129,451,715.06 = 49,886,954.42 : x - Step 2: Convert to fraction form
86,301,734.81/129,451,715.06 = 49,886,954.42/x - Step 3: Cross multiply
86,301,734.81x = 129,451,715.06 × 49,886,954.42 - Step 4: Simplify right side
86,301,734.81x = 6,457,951,807,892,354 - Step 5: Solve for x
x = 6,457,951,807,892,354/86,301,734.81 - Step 6: Final answer
x = 74,829,918.80
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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.