Finding the Fourth Proportional to 214,602,537.78, 296,134,617.33 and 121,783,044.70
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Solution
The fourth proportional to 214,602,537.78, 296,134,617.33 and 121,783,044.70 is: 168,051,019.86
Step by Step Solution
- Step 1: Write the proportion equation
214,602,537.78 : 296,134,617.33 = 121,783,044.70 : x - Step 2: Convert to fraction form
214,602,537.78/296,134,617.33 = 121,783,044.70/x - Step 3: Cross multiply
214,602,537.78x = 296,134,617.33 × 121,783,044.70 - Step 4: Simplify right side
214,602,537.78x = 36,064,175,339,516,784 - Step 5: Solve for x
x = 36,064,175,339,516,784/214,602,537.78 - Step 6: Final answer
x = 168,051,019.86
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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.