Finding the Fourth Proportional to 295,035,694.80, 442,553,542.20 and 149,916,872.40
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Solution
The fourth proportional to 295,035,694.80, 442,553,542.20 and 149,916,872.40 is: 224,875,308.60
Step by Step Solution
- Step 1: Write the proportion equation
295,035,694.80 : 442,553,542.20 = 149,916,872.40 : x - Step 2: Convert to fraction form
295,035,694.80/442,553,542.20 = 149,916,872.40/x - Step 3: Cross multiply
295,035,694.80x = 442,553,542.20 × 149,916,872.40 - Step 4: Simplify right side
295,035,694.80x = 66,346,242,916,165,416 - Step 5: Solve for x
x = 66,346,242,916,165,416/295,035,694.80 - Step 6: Final answer
x = 224,875,308.60
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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.