Finding the Fourth Proportional to 212,584,820.66, 318,877,235.09 and 51,026,756.66
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Solution
The fourth proportional to 212,584,820.66, 318,877,235.09 and 51,026,756.66 is: 76,540,135.97
Step by Step Solution
- Step 1: Write the proportion equation
212,584,820.66 : 318,877,235.09 = 51,026,756.66 : x - Step 2: Convert to fraction form
212,584,820.66/318,877,235.09 = 51,026,756.66/x - Step 3: Cross multiply
212,584,820.66x = 318,877,235.09 × 51,026,756.66 - Step 4: Simplify right side
212,584,820.66x = 16,271,271,078,298,714 - Step 5: Solve for x
x = 16,271,271,078,298,714/212,584,820.66 - Step 6: Final answer
x = 76,540,135.97
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.