Finding the Fourth Proportional to 83,218,485.42, 114,850,154.07 and 47,937,509.82
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Solution
The fourth proportional to 83,218,485.42, 114,850,154.07 and 47,937,509.82 is: 66,158,742.99
Step by Step Solution
- Step 1: Write the proportion equation
83,218,485.42 : 114,850,154.07 = 47,937,509.82 : x - Step 2: Convert to fraction form
83,218,485.42/114,850,154.07 = 47,937,509.82/x - Step 3: Cross multiply
83,218,485.42x = 114,850,154.07 × 47,937,509.82 - Step 4: Simplify right side
83,218,485.42x = 5,505,630,388,559,138 - Step 5: Solve for x
x = 5,505,630,388,559,138/83,218,485.42 - Step 6: Final answer
x = 66,158,742.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.