Finding the Fourth Proportional to 135,960,374.16, 187,625,343.04 and 74,080,712.56
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Solution
The fourth proportional to 135,960,374.16, 187,625,343.04 and 74,080,712.56 is: 102,231,397.88
Step by Step Solution
- Step 1: Write the proportion equation
135,960,374.16 : 187,625,343.04 = 74,080,712.56 : x - Step 2: Convert to fraction form
135,960,374.16/187,625,343.04 = 74,080,712.56/x - Step 3: Cross multiply
135,960,374.16x = 187,625,343.04 × 74,080,712.56 - Step 4: Simplify right side
135,960,374.16x = 13,899,419,106,717,636 - Step 5: Solve for x
x = 13,899,419,106,717,636/135,960,374.16 - Step 6: Final answer
x = 102,231,397.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.