Finding the Fourth Proportional to 112,267,240.90, 168,400,861.35 and 98,382,415.30
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Solution
The fourth proportional to 112,267,240.90, 168,400,861.35 and 98,382,415.30 is: 147,573,622.95
Step by Step Solution
- Step 1: Write the proportion equation
112,267,240.90 : 168,400,861.35 = 98,382,415.30 : x - Step 2: Convert to fraction form
112,267,240.90/168,400,861.35 = 98,382,415.30/x - Step 3: Cross multiply
112,267,240.90x = 168,400,861.35 × 98,382,415.30 - Step 4: Simplify right side
112,267,240.90x = 16,567,683,478,213,418 - Step 5: Solve for x
x = 16,567,683,478,213,418/112,267,240.90 - Step 6: Final answer
x = 147,573,622.95
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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.