Finding the Fourth Proportional to 112,320,173.20, 168,480,259.80 and 63,779,270.80
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Solution
The fourth proportional to 112,320,173.20, 168,480,259.80 and 63,779,270.80 is: 95,668,906.20
Step by Step Solution
- Step 1: Write the proportion equation
112,320,173.20 : 168,480,259.80 = 63,779,270.80 : x - Step 2: Convert to fraction form
112,320,173.20/168,480,259.80 = 63,779,270.80/x - Step 3: Cross multiply
112,320,173.20x = 168,480,259.80 × 63,779,270.80 - Step 4: Simplify right side
112,320,173.20x = 10,745,548,114,238,554 - Step 5: Solve for x
x = 10,745,548,114,238,554/112,320,173.20 - Step 6: Final answer
x = 95,668,906.20
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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.