Finding the Fourth Proportional to 66,125,281.08, 91,253,979.20 and 36,357,187.08
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Solution
The fourth proportional to 66,125,281.08, 91,253,979.20 and 36,357,187.08 is: 50,173,518.20
Step by Step Solution
- Step 1: Write the proportion equation
66,125,281.08 : 91,253,979.20 = 36,357,187.08 : x - Step 2: Convert to fraction form
66,125,281.08/91,253,979.20 = 36,357,187.08/x - Step 3: Cross multiply
66,125,281.08x = 91,253,979.20 × 36,357,187.08 - Step 4: Simplify right side
66,125,281.08x = 3,317,737,993,568,828.50 - Step 5: Solve for x
x = 3,317,737,993,568,828.50/66,125,281.08 - Step 6: Final answer
x = 50,173,518.20
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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.