Finding the Fourth Proportional to 155,239,773.90, 232,859,660.85 and 132,157,519.80
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Solution
The fourth proportional to 155,239,773.90, 232,859,660.85 and 132,157,519.80 is: 198,236,279.70
Step by Step Solution
- Step 1: Write the proportion equation
155,239,773.90 : 232,859,660.85 = 132,157,519.80 : x - Step 2: Convert to fraction form
155,239,773.90/232,859,660.85 = 132,157,519.80/x - Step 3: Cross multiply
155,239,773.90x = 232,859,660.85 × 132,157,519.80 - Step 4: Simplify right side
155,239,773.90x = 30,774,155,239,405,160 - Step 5: Solve for x
x = 30,774,155,239,405,160/155,239,773.90 - Step 6: Final answer
x = 198,236,279.70
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1.5x scale
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.