Finding the Fourth Proportional to 293,419,937.80, 440,129,906.70 and 132,176,801.80
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Solution
The fourth proportional to 293,419,937.80, 440,129,906.70 and 132,176,801.80 is: 198,265,202.70
Step by Step Solution
- Step 1: Write the proportion equation
293,419,937.80 : 440,129,906.70 = 132,176,801.80 : x - Step 2: Convert to fraction form
293,419,937.80/440,129,906.70 = 132,176,801.80/x - Step 3: Cross multiply
293,419,937.80x = 440,129,906.70 × 132,176,801.80 - Step 4: Simplify right side
293,419,937.80x = 58,174,963,444,138,392 - Step 5: Solve for x
x = 58,174,963,444,138,392/293,419,937.80 - Step 6: Final answer
x = 198,265,202.70
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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.