Finding the Fourth Proportional to 223,119,119.80, 334,678,679.70 and 155,094,671.80
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Solution
The fourth proportional to 223,119,119.80, 334,678,679.70 and 155,094,671.80 is: 232,642,007.70
Step by Step Solution
- Step 1: Write the proportion equation
223,119,119.80 : 334,678,679.70 = 155,094,671.80 : x - Step 2: Convert to fraction form
223,119,119.80/334,678,679.70 = 155,094,671.80/x - Step 3: Cross multiply
223,119,119.80x = 334,678,679.70 × 155,094,671.80 - Step 4: Simplify right side
223,119,119.80x = 51,906,879,986,528,824 - Step 5: Solve for x
x = 51,906,879,986,528,824/223,119,119.80 - Step 6: Final answer
x = 232,642,007.70
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1.5x scale
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.