Finding the Fourth Proportional to 137,489,503.06, 189,731,730.66 and 75,609,841.62
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Solution
The fourth proportional to 137,489,503.06, 189,731,730.66 and 75,609,841.62 is: 104,339,500.73
Step by Step Solution
- Step 1: Write the proportion equation
137,489,503.06 : 189,731,730.66 = 75,609,841.62 : x - Step 2: Convert to fraction form
137,489,503.06/189,731,730.66 = 75,609,841.62/x - Step 3: Cross multiply
137,489,503.06x = 189,731,730.66 × 75,609,841.62 - Step 4: Simplify right side
137,489,503.06x = 14,345,586,105,491,098 - Step 5: Solve for x
x = 14,345,586,105,491,098/137,489,503.06 - Step 6: Final answer
x = 104,339,500.73
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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.