Finding the Fourth Proportional to 289,523,344.48, 434,284,740.24 and 74,112,246.88
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Solution
The fourth proportional to 289,523,344.48, 434,284,740.24 and 74,112,246.88 is: 111,168,299.55
Step by Step Solution
- Step 1: Write the proportion equation
289,523,344.48 : 434,284,740.24 = 74,112,246.88 : x - Step 2: Convert to fraction form
289,523,344.48/434,284,740.24 = 74,112,246.88/x - Step 3: Cross multiply
289,523,344.48x = 434,284,740.24 × 74,112,246.88 - Step 4: Simplify right side
289,523,344.48x = 32,185,817,884,883,548 - Step 5: Solve for x
x = 32,185,817,884,883,548/289,523,344.48 - Step 6: Final answer
x = 111,168,299.55
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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.