Finding the Fourth Proportional to 314,929,349.70, 472,394,024.55 and 161,874,341.70
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Solution
The fourth proportional to 314,929,349.70, 472,394,024.55 and 161,874,341.70 is: 242,811,512.55
Step by Step Solution
- Step 1: Write the proportion equation
314,929,349.70 : 472,394,024.55 = 161,874,341.70 : x - Step 2: Convert to fraction form
314,929,349.70/472,394,024.55 = 161,874,341.70/x - Step 3: Cross multiply
314,929,349.70x = 472,394,024.55 × 161,874,341.70 - Step 4: Simplify right side
314,929,349.70x = 76,468,471,747,044,880 - Step 5: Solve for x
x = 76,468,471,747,044,880/314,929,349.70 - Step 6: Final answer
x = 242,811,512.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.