Finding the Fourth Proportional to 147,523,206.30, 221,284,809.45 and 75,859,590.30
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Solution
The fourth proportional to 147,523,206.30, 221,284,809.45 and 75,859,590.30 is: 113,789,385.45
Step by Step Solution
- Step 1: Write the proportion equation
147,523,206.30 : 221,284,809.45 = 75,859,590.30 : x - Step 2: Convert to fraction form
147,523,206.30/221,284,809.45 = 75,859,590.30/x - Step 3: Cross multiply
147,523,206.30x = 221,284,809.45 × 75,859,590.30 - Step 4: Simplify right side
147,523,206.30x = 16,786,574,984,490,566 - Step 5: Solve for x
x = 16,786,574,984,490,566/147,523,206.30 - Step 6: Final answer
x = 113,789,385.45
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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.