Finding the Fourth Proportional to 175,508,330.40, 263,262,495.60 and 132,142,744.80
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Solution
The fourth proportional to 175,508,330.40, 263,262,495.60 and 132,142,744.80 is: 198,214,117.20
Step by Step Solution
- Step 1: Write the proportion equation
175,508,330.40 : 263,262,495.60 = 132,142,744.80 : x - Step 2: Convert to fraction form
175,508,330.40/263,262,495.60 = 132,142,744.80/x - Step 3: Cross multiply
175,508,330.40x = 263,262,495.60 × 132,142,744.80 - Step 4: Simplify right side
175,508,330.40x = 34,788,228,771,481,920 - Step 5: Solve for x
x = 34,788,228,771,481,920/175,508,330.40 - Step 6: Final answer
x = 198,214,117.20
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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.