Finding the Fourth Proportional to 81,765,408.27, 122,607,127.12 and 27,158,848.62
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Solution
The fourth proportional to 81,765,408.27, 122,607,127.12 and 27,158,848.62 is: 40,724,659.43
Step by Step Solution
- Step 1: Write the proportion equation
81,765,408.27 : 122,607,127.12 = 27,158,848.62 : x - Step 2: Convert to fraction form
81,765,408.27/122,607,127.12 = 27,158,848.62/x - Step 3: Cross multiply
81,765,408.27x = 122,607,127.12 × 27,158,848.62 - Step 4: Simplify right side
81,765,408.27x = 3,329,868,405,185,177 - Step 5: Solve for x
x = 3,329,868,405,185,177/81,765,408.27 - Step 6: Final answer
x = 40,724,659.43
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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.