Finding the Fourth Proportional to 211,101,685.42, 316,376,751.79 and 117,724,930.58
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Solution
The fourth proportional to 211,101,685.42, 316,376,751.79 and 117,724,930.58 is: 176,433,603.87
Step by Step Solution
- Step 1: Write the proportion equation
211,101,685.42 : 316,376,751.79 = 117,724,930.58 : x - Step 2: Convert to fraction form
211,101,685.42/316,376,751.79 = 117,724,930.58/x - Step 3: Cross multiply
211,101,685.42x = 316,376,751.79 × 117,724,930.58 - Step 4: Simplify right side
211,101,685.42x = 37,245,431,141,603,640 - Step 5: Solve for x
x = 37,245,431,141,603,640/211,101,685.42 - Step 6: Final answer
x = 176,433,603.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.