Finding the Fourth Proportional to 177,380,400.20, 266,070,600.30 and 116,864,457.80
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Solution
The fourth proportional to 177,380,400.20, 266,070,600.30 and 116,864,457.80 is: 175,296,686.70
Step by Step Solution
- Step 1: Write the proportion equation
177,380,400.20 : 266,070,600.30 = 116,864,457.80 : x - Step 2: Convert to fraction form
177,380,400.20/266,070,600.30 = 116,864,457.80/x - Step 3: Cross multiply
177,380,400.20x = 266,070,600.30 × 116,864,457.80 - Step 4: Simplify right side
177,380,400.20x = 31,094,196,440,580,016 - Step 5: Solve for x
x = 31,094,196,440,580,016/177,380,400.20 - Step 6: Final answer
x = 175,296,686.70
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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.