Finding the Fourth Proportional to 175,508,768.70, 263,263,153.05 and 124,490,432.70
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Solution
The fourth proportional to 175,508,768.70, 263,263,153.05 and 124,490,432.70 is: 186,735,649.05
Step by Step Solution
- Step 1: Write the proportion equation
175,508,768.70 : 263,263,153.05 = 124,490,432.70 : x - Step 2: Convert to fraction form
175,508,768.70/263,263,153.05 = 124,490,432.70/x - Step 3: Cross multiply
175,508,768.70x = 263,263,153.05 × 124,490,432.70 - Step 4: Simplify right side
175,508,768.70x = 32,773,743,837,160,828 - Step 5: Solve for x
x = 32,773,743,837,160,828/175,508,768.70 - Step 6: Final answer
x = 186,735,649.05
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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.