Finding the Fourth Proportional to 199,588,237.20, 299,382,355.80 and 170,362,918.80
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Solution
The fourth proportional to 199,588,237.20, 299,382,355.80 and 170,362,918.80 is: 255,544,378.20
Step by Step Solution
- Step 1: Write the proportion equation
199,588,237.20 : 299,382,355.80 = 170,362,918.80 : x - Step 2: Convert to fraction form
199,588,237.20/299,382,355.80 = 170,362,918.80/x - Step 3: Cross multiply
199,588,237.20x = 299,382,355.80 × 170,362,918.80 - Step 4: Simplify right side
199,588,237.20x = 51,003,651,971,308,112 - Step 5: Solve for x
x = 51,003,651,971,308,112/199,588,237.20 - Step 6: Final answer
x = 255,544,378.20
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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.