Finding the Fourth Proportional to 121,265,207.20, 182,011,972.20 and 63,798,720.40
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Solution
The fourth proportional to 121,265,207.20, 182,011,972.20 and 63,798,720.40 is: 95,758,141.94
Step by Step Solution
- Step 1: Write the proportion equation
121,265,207.20 : 182,011,972.20 = 63,798,720.40 : x - Step 2: Convert to fraction form
121,265,207.20/182,011,972.20 = 63,798,720.40/x - Step 3: Cross multiply
121,265,207.20x = 182,011,972.20 × 63,798,720.40 - Step 4: Simplify right side
121,265,207.20x = 11,612,130,923,840,372 - Step 5: Solve for x
x = 11,612,130,923,840,372/121,265,207.20 - Step 6: Final answer
x = 95,758,141.94
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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.