Finding the Fourth Proportional to 51,173,022.68, 76,794,071.98 and 20,044,818.76
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Solution
The fourth proportional to 51,173,022.68, 76,794,071.98 and 20,044,818.76 is: 30,080,756.90
Step by Step Solution
- Step 1: Write the proportion equation
51,173,022.68 : 76,794,071.98 = 20,044,818.76 : x - Step 2: Convert to fraction form
51,173,022.68/76,794,071.98 = 20,044,818.76/x - Step 3: Cross multiply
51,173,022.68x = 76,794,071.98 × 20,044,818.76 - Step 4: Simplify right side
51,173,022.68x = 1,539,323,254,727,375 - Step 5: Solve for x
x = 1,539,323,254,727,375/51,173,022.68 - Step 6: Final answer
x = 30,080,756.90
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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.