Finding the Fourth Proportional to 248,833,207.20, 373,249,810.80 and 121,431,223.20
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Solution
The fourth proportional to 248,833,207.20, 373,249,810.80 and 121,431,223.20 is: 182,146,834.80
Step by Step Solution
- Step 1: Write the proportion equation
248,833,207.20 : 373,249,810.80 = 121,431,223.20 : x - Step 2: Convert to fraction form
248,833,207.20/373,249,810.80 = 121,431,223.20/x - Step 3: Cross multiply
248,833,207.20x = 373,249,810.80 × 121,431,223.20 - Step 4: Simplify right side
248,833,207.20x = 45,324,181,084,612,576 - Step 5: Solve for x
x = 45,324,181,084,612,576/248,833,207.20 - Step 6: Final answer
x = 182,146,834.80
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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.