Finding the Fourth Proportional to 146,117,763.74, 201,635,348.41 and 80,038,555.10
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Solution
The fourth proportional to 146,117,763.74, 201,635,348.41 and 80,038,555.10 is: 110,449,280.98
Step by Step Solution
- Step 1: Write the proportion equation
146,117,763.74 : 201,635,348.41 = 80,038,555.10 : x - Step 2: Convert to fraction form
146,117,763.74/201,635,348.41 = 80,038,555.10/x - Step 3: Cross multiply
146,117,763.74x = 201,635,348.41 × 80,038,555.10 - Step 4: Simplify right side
146,117,763.74x = 16,138,601,943,821,480 - Step 5: Solve for x
x = 16,138,601,943,821,480/146,117,763.74 - Step 6: Final answer
x = 110,449,280.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.