Finding the Fourth Proportional to 209,384,536.85, 314,076,805.28 and 117,551,532.05
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Solution
The fourth proportional to 209,384,536.85, 314,076,805.28 and 117,551,532.05 is: 176,327,298.08
Step by Step Solution
- Step 1: Write the proportion equation
209,384,536.85 : 314,076,805.28 = 117,551,532.05 : x - Step 2: Convert to fraction form
209,384,536.85/314,076,805.28 = 117,551,532.05/x - Step 3: Cross multiply
209,384,536.85x = 314,076,805.28 × 117,551,532.05 - Step 4: Simplify right side
209,384,536.85x = 36,920,209,641,445,768 - Step 5: Solve for x
x = 36,920,209,641,445,768/209,384,536.85 - Step 6: Final answer
x = 176,327,298.08
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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.