Finding the Fourth Proportional to 297,781,207.20, 446,685,807.60 and 93,315,952.80
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Solution
The fourth proportional to 297,781,207.20, 446,685,807.60 and 93,315,952.80 is: 139,978,315.39
Step by Step Solution
- Step 1: Write the proportion equation
297,781,207.20 : 446,685,807.60 = 93,315,952.80 : x - Step 2: Convert to fraction form
297,781,207.20/446,685,807.60 = 93,315,952.80/x - Step 3: Cross multiply
297,781,207.20x = 446,685,807.60 × 93,315,952.80 - Step 4: Simplify right side
297,781,207.20x = 41,682,911,738,431,480 - Step 5: Solve for x
x = 41,682,911,738,431,480/297,781,207.20 - Step 6: Final answer
x = 139,978,315.39
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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.