Finding the Fourth Proportional to 220,194,564.45, 330,281,349.08 and 74,613,847.65
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Solution
The fourth proportional to 220,194,564.45, 330,281,349.08 and 74,613,847.65 is: 111,917,214.32
Step by Step Solution
- Step 1: Write the proportion equation
220,194,564.45 : 330,281,349.08 = 74,613,847.65 : x - Step 2: Convert to fraction form
220,194,564.45/330,281,349.08 = 74,613,847.65/x - Step 3: Cross multiply
220,194,564.45x = 330,281,349.08 × 74,613,847.65 - Step 4: Simplify right side
220,194,564.45x = 24,643,562,261,518,520 - Step 5: Solve for x
x = 24,643,562,261,518,520/220,194,564.45 - Step 6: Final answer
x = 111,917,214.32
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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.