Finding the Fourth Proportional to 147,744,159.70, 221,616,239.55 and 136,994,617.30
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Solution
The fourth proportional to 147,744,159.70, 221,616,239.55 and 136,994,617.30 is: 205,491,925.95
Step by Step Solution
- Step 1: Write the proportion equation
147,744,159.70 : 221,616,239.55 = 136,994,617.30 : x - Step 2: Convert to fraction form
147,744,159.70/221,616,239.55 = 136,994,617.30/x - Step 3: Cross multiply
147,744,159.70x = 221,616,239.55 × 136,994,617.30 - Step 4: Simplify right side
147,744,159.70x = 30,360,231,924,617,380 - Step 5: Solve for x
x = 30,360,231,924,617,380/147,744,159.70 - Step 6: Final answer
x = 205,491,925.95
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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.