Finding the Fourth Proportional to 135,780,087.44, 187,376,510.28 and 73,900,869.68
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Solution
The fourth proportional to 135,780,087.44, 187,376,510.28 and 73,900,869.68 is: 101,983,194.50
Step by Step Solution
- Step 1: Write the proportion equation
135,780,087.44 : 187,376,510.28 = 73,900,869.68 : x - Step 2: Convert to fraction form
135,780,087.44/187,376,510.28 = 73,900,869.68/x - Step 3: Cross multiply
135,780,087.44x = 187,376,510.28 × 73,900,869.68 - Step 4: Simplify right side
135,780,087.44x = 13,847,287,067,295,462 - Step 5: Solve for x
x = 13,847,287,067,295,462/135,780,087.44 - Step 6: Final answer
x = 101,983,194.50
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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.