Finding the Fourth Proportional to 192,020,607.75, 264,986,197.02 and 103,912,566.96
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Solution
The fourth proportional to 192,020,607.75, 264,986,197.02 and 103,912,566.96 is: 143,398,129.32
Step by Step Solution
- Step 1: Write the proportion equation
192,020,607.75 : 264,986,197.02 = 103,912,566.96 : x - Step 2: Convert to fraction form
192,020,607.75/264,986,197.02 = 103,912,566.96/x - Step 3: Cross multiply
192,020,607.75x = 264,986,197.02 × 103,912,566.96 - Step 4: Simplify right side
192,020,607.75x = 27,535,395,941,316,500 - Step 5: Solve for x
x = 27,535,395,941,316,500/192,020,607.75 - Step 6: Final answer
x = 143,398,129.32
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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.