Finding the Fourth Proportional to 149,486,343.05, 224,229,514.58 and 68,864,775.05
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Solution
The fourth proportional to 149,486,343.05, 224,229,514.58 and 68,864,775.05 is: 103,297,162.58
Step by Step Solution
- Step 1: Write the proportion equation
149,486,343.05 : 224,229,514.58 = 68,864,775.05 : x - Step 2: Convert to fraction form
149,486,343.05/224,229,514.58 = 68,864,775.05/x - Step 3: Cross multiply
149,486,343.05x = 224,229,514.58 × 68,864,775.05 - Step 4: Simplify right side
149,486,343.05x = 15,441,515,080,778,070 - Step 5: Solve for x
x = 15,441,515,080,778,070/149,486,343.05 - Step 6: Final answer
x = 103,297,162.58
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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.