Finding the Fourth Proportional to 173,931,772.40, 260,929,151.40 and 87,452,543.60
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Solution
The fourth proportional to 173,931,772.40, 260,929,151.40 and 87,452,543.60 is: 131,194,649.92
Step by Step Solution
- Step 1: Write the proportion equation
173,931,772.40 : 260,929,151.40 = 87,452,543.60 : x - Step 2: Convert to fraction form
173,931,772.40/260,929,151.40 = 87,452,543.60/x - Step 3: Cross multiply
173,931,772.40x = 260,929,151.40 × 87,452,543.60 - Step 4: Simplify right side
173,931,772.40x = 22,818,917,989,319,500 - Step 5: Solve for x
x = 22,818,917,989,319,500/173,931,772.40 - Step 6: Final answer
x = 131,194,649.92
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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.