Finding the Fourth Proportional to 117,875,819.60, 161,490,657.18 and 113,457,744.26
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Solution
The fourth proportional to 117,875,819.60, 161,490,657.18 and 113,457,744.26 is: 155,437,864.57
Step by Step Solution
- Step 1: Write the proportion equation
117,875,819.60 : 161,490,657.18 = 113,457,744.26 : x - Step 2: Convert to fraction form
117,875,819.60/161,490,657.18 = 113,457,744.26/x - Step 3: Cross multiply
117,875,819.60x = 161,490,657.18 × 113,457,744.26 - Step 4: Simplify right side
117,875,819.60x = 18,322,365,682,707,776 - Step 5: Solve for x
x = 18,322,365,682,707,776/117,875,819.60 - Step 6: Final answer
x = 155,437,864.57
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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.