Finding the Fourth Proportional to 145,690,489.96, 218,559,451.74 and 68,045,039.08
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Solution
The fourth proportional to 145,690,489.96, 218,559,451.74 and 68,045,039.08 is: 102,078,635.60
Step by Step Solution
- Step 1: Write the proportion equation
145,690,489.96 : 218,559,451.74 = 68,045,039.08 : x - Step 2: Convert to fraction form
145,690,489.96/218,559,451.74 = 68,045,039.08/x - Step 3: Cross multiply
145,690,489.96x = 218,559,451.74 × 68,045,039.08 - Step 4: Simplify right side
145,690,489.96x = 14,871,886,434,951,674 - Step 5: Solve for x
x = 14,871,886,434,951,674/145,690,489.96 - Step 6: Final answer
x = 102,078,635.60
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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.