Finding the Fourth Proportional to 135,985,618.44, 187,654,693.14 and 74,104,638.12
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Solution
The fourth proportional to 135,985,618.44, 187,654,693.14 and 74,104,638.12 is: 102,261,425.04
Step by Step Solution
- Step 1: Write the proportion equation
135,985,618.44 : 187,654,693.14 = 74,104,638.12 : x - Step 2: Convert to fraction form
135,985,618.44/187,654,693.14 = 74,104,638.12/x - Step 3: Cross multiply
135,985,618.44x = 187,654,693.14 × 74,104,638.12 - Step 4: Simplify right side
135,985,618.44x = 13,906,083,126,659,346 - Step 5: Solve for x
x = 13,906,083,126,659,346/135,985,618.44 - Step 6: Final answer
x = 102,261,425.04
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.