Finding the Fourth Proportional to 221,184,163.60, 331,776,245.40 and 59,642,429.20
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Solution
The fourth proportional to 221,184,163.60, 331,776,245.40 and 59,642,429.20 is: 89,463,643.80
Step by Step Solution
- Step 1: Write the proportion equation
221,184,163.60 : 331,776,245.40 = 59,642,429.20 : x - Step 2: Convert to fraction form
221,184,163.60/331,776,245.40 = 59,642,429.20/x - Step 3: Cross multiply
221,184,163.60x = 331,776,245.40 × 59,642,429.20 - Step 4: Simplify right side
221,184,163.60x = 19,787,941,226,511,324 - Step 5: Solve for x
x = 19,787,941,226,511,324/221,184,163.60 - Step 6: Final answer
x = 89,463,643.80
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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.