Finding the Fourth Proportional to 175,508,672.70, 263,263,009.05 and 124,490,336.70
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Solution
The fourth proportional to 175,508,672.70, 263,263,009.05 and 124,490,336.70 is: 186,735,505.05
Step by Step Solution
- Step 1: Write the proportion equation
175,508,672.70 : 263,263,009.05 = 124,490,336.70 : x - Step 2: Convert to fraction form
175,508,672.70/263,263,009.05 = 124,490,336.70/x - Step 3: Cross multiply
175,508,672.70x = 263,263,009.05 × 124,490,336.70 - Step 4: Simplify right side
175,508,672.70x = 32,773,700,637,289,648 - Step 5: Solve for x
x = 32,773,700,637,289,648/175,508,672.70 - Step 6: Final answer
x = 186,735,505.05
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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.