Finding the Fourth Proportional to 175,508,751.20, 263,263,126.80 and 124,490,415.20
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Solution
The fourth proportional to 175,508,751.20, 263,263,126.80 and 124,490,415.20 is: 186,735,622.80
Step by Step Solution
- Step 1: Write the proportion equation
175,508,751.20 : 263,263,126.80 = 124,490,415.20 : x - Step 2: Convert to fraction form
175,508,751.20/263,263,126.80 = 124,490,415.20/x - Step 3: Cross multiply
175,508,751.20x = 263,263,126.80 × 124,490,415.20 - Step 4: Simplify right side
175,508,751.20x = 32,773,735,962,182,248 - Step 5: Solve for x
x = 32,773,735,962,182,248/175,508,751.20 - Step 6: Final answer
x = 186,735,622.80
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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.