Finding the Fourth Proportional to 126,368,000.30, 189,552,000.45 and 58,343,552.30
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Solution
The fourth proportional to 126,368,000.30, 189,552,000.45 and 58,343,552.30 is: 87,515,328.45
Step by Step Solution
- Step 1: Write the proportion equation
126,368,000.30 : 189,552,000.45 = 58,343,552.30 : x - Step 2: Convert to fraction form
126,368,000.30/189,552,000.45 = 58,343,552.30/x - Step 3: Cross multiply
126,368,000.30x = 189,552,000.45 × 58,343,552.30 - Step 4: Simplify right side
126,368,000.30x = 11,059,137,051,824,198 - Step 5: Solve for x
x = 11,059,137,051,824,198/126,368,000.30 - Step 6: Final answer
x = 87,515,328.45
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1.5x scale
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.