Finding the Fourth Proportional to 154,687,944.86, 213,417,066.03 and 87,699,716.63
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Solution
The fourth proportional to 154,687,944.86, 213,417,066.03 and 87,699,716.63 is: 120,995,958.88
Step by Step Solution
- Step 1: Write the proportion equation
154,687,944.86 : 213,417,066.03 = 87,699,716.63 : x - Step 2: Convert to fraction form
154,687,944.86/213,417,066.03 = 87,699,716.63/x - Step 3: Cross multiply
154,687,944.86x = 213,417,066.03 × 87,699,716.63 - Step 4: Simplify right side
154,687,944.86x = 18,716,616,214,837,000 - Step 5: Solve for x
x = 18,716,616,214,837,000/154,687,944.86 - Step 6: Final answer
x = 120,995,958.88
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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.