Finding the Fourth Proportional to 125,699,442.66, 173,544,928.65 and 86,073,284.43
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Solution
The fourth proportional to 125,699,442.66, 173,544,928.65 and 86,073,284.43 is: 118,835,705.94
Step by Step Solution
- Step 1: Write the proportion equation
125,699,442.66 : 173,544,928.65 = 86,073,284.43 : x - Step 2: Convert to fraction form
125,699,442.66/173,544,928.65 = 86,073,284.43/x - Step 3: Cross multiply
125,699,442.66x = 173,544,928.65 × 86,073,284.43 - Step 4: Simplify right side
125,699,442.66x = 14,937,582,005,075,508 - Step 5: Solve for x
x = 14,937,582,005,075,508/125,699,442.66 - Step 6: Final answer
x = 118,835,705.94
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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.