Finding the Fourth Proportional to 135,645,464.97, 187,188,985.94 and 73,764,474.93
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Solution
The fourth proportional to 135,645,464.97, 187,188,985.94 and 73,764,474.93 is: 101,794,020.63
Step by Step Solution
- Step 1: Write the proportion equation
135,645,464.97 : 187,188,985.94 = 73,764,474.93 : x - Step 2: Convert to fraction form
135,645,464.97/187,188,985.94 = 73,764,474.93/x - Step 3: Cross multiply
135,645,464.97x = 187,188,985.94 × 73,764,474.93 - Step 4: Simplify right side
135,645,464.97x = 13,807,897,260,174,432 - Step 5: Solve for x
x = 13,807,897,260,174,432/135,645,464.97 - Step 6: Final answer
x = 101,794,020.63
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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.