Finding the Fourth Proportional to 212,584,961.09, 318,877,445.34 and 51,026,897.09
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Solution
The fourth proportional to 212,584,961.09, 318,877,445.34 and 51,026,897.09 is: 76,540,346.52
Step by Step Solution
- Step 1: Write the proportion equation
212,584,961.09 : 318,877,445.34 = 51,026,897.09 : x - Step 2: Convert to fraction form
212,584,961.09/318,877,445.34 = 51,026,897.09/x - Step 3: Cross multiply
212,584,961.09x = 318,877,445.34 × 51,026,897.09 - Step 4: Simplify right side
212,584,961.09x = 16,271,326,586,091,892 - Step 5: Solve for x
x = 16,271,326,586,091,892/212,584,961.09 - Step 6: Final answer
x = 76,540,346.52
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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.