Finding the Fourth Proportional to 228,891,155.30, 343,336,732.95 and 203,808,889.70
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Solution
The fourth proportional to 228,891,155.30, 343,336,732.95 and 203,808,889.70 is: 305,713,334.55
Step by Step Solution
- Step 1: Write the proportion equation
228,891,155.30 : 343,336,732.95 = 203,808,889.70 : x - Step 2: Convert to fraction form
228,891,155.30/343,336,732.95 = 203,808,889.70/x - Step 3: Cross multiply
228,891,155.30x = 343,336,732.95 × 203,808,889.70 - Step 4: Simplify right side
228,891,155.30x = 69,975,078,335,764,896 - Step 5: Solve for x
x = 69,975,078,335,764,896/228,891,155.30 - Step 6: Final answer
x = 305,713,334.55
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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.