Finding the Fourth Proportional to 178,551,874.35, 246,387,983.34 and 100,220,294.49
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Solution
The fourth proportional to 178,551,874.35, 246,387,983.34 and 100,220,294.49 is: 138,296,370.95
Step by Step Solution
- Step 1: Write the proportion equation
178,551,874.35 : 246,387,983.34 = 100,220,294.49 : x - Step 2: Convert to fraction form
178,551,874.35/246,387,983.34 = 100,220,294.49/x - Step 3: Cross multiply
178,551,874.35x = 246,387,983.34 × 100,220,294.49 - Step 4: Simplify right side
178,551,874.35x = 24,693,076,249,132,012 - Step 5: Solve for x
x = 24,693,076,249,132,012/178,551,874.35 - Step 6: Final answer
x = 138,296,370.95
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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.