Finding the Fourth Proportional to 81,400,433.58, 122,119,536.47 and 26,811,060.10
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Solution
The fourth proportional to 81,400,433.58, 122,119,536.47 and 26,811,060.10 is: 40,222,810.71
Step by Step Solution
- Step 1: Write the proportion equation
81,400,433.58 : 122,119,536.47 = 26,811,060.10 : x - Step 2: Convert to fraction form
81,400,433.58/122,119,536.47 = 26,811,060.10/x - Step 3: Cross multiply
81,400,433.58x = 122,119,536.47 × 26,811,060.10 - Step 4: Simplify right side
81,400,433.58x = 3,274,154,231,241,958 - Step 5: Solve for x
x = 3,274,154,231,241,958/81,400,433.58 - Step 6: Final answer
x = 40,222,810.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.