Finding the Fourth Proportional to 367,465,149.80, 551,197,724.70 and 163,391,805.80
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Solution
The fourth proportional to 367,465,149.80, 551,197,724.70 and 163,391,805.80 is: 245,087,708.70
Step by Step Solution
- Step 1: Write the proportion equation
367,465,149.80 : 551,197,724.70 = 163,391,805.80 : x - Step 2: Convert to fraction form
367,465,149.80/551,197,724.70 = 163,391,805.80/x - Step 3: Cross multiply
367,465,149.80x = 551,197,724.70 × 163,391,805.80 - Step 4: Simplify right side
367,465,149.80x = 90,061,191,591,584,272 - Step 5: Solve for x
x = 90,061,191,591,584,272/367,465,149.80 - Step 6: Final answer
x = 245,087,708.70
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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.