Finding the Fourth Proportional to 307,523,190.03, 424,381,725.90 and 173,589,304.08
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Solution
The fourth proportional to 307,523,190.03, 424,381,725.90 and 173,589,304.08 is: 239,553,083.64
Step by Step Solution
- Step 1: Write the proportion equation
307,523,190.03 : 424,381,725.90 = 173,589,304.08 : x - Step 2: Convert to fraction form
307,523,190.03/424,381,725.90 = 173,589,304.08/x - Step 3: Cross multiply
307,523,190.03x = 424,381,725.90 × 173,589,304.08 - Step 4: Simplify right side
307,523,190.03x = 73,668,128,463,250,320 - Step 5: Solve for x
x = 73,668,128,463,250,320/307,523,190.03 - Step 6: Final answer
x = 239,553,083.64
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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.