Finding the Fourth Proportional to 270,863,427.13, 373,793,726.36 and 147,104,989.99
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Solution
The fourth proportional to 270,863,427.13, 373,793,726.36 and 147,104,989.99 is: 203,006,079.33
Step by Step Solution
- Step 1: Write the proportion equation
270,863,427.13 : 373,793,726.36 = 147,104,989.99 : x - Step 2: Convert to fraction form
270,863,427.13/373,793,726.36 = 147,104,989.99/x - Step 3: Cross multiply
270,863,427.13x = 373,793,726.36 × 147,104,989.99 - Step 4: Simplify right side
270,863,427.13x = 54,986,922,373,945,880 - Step 5: Solve for x
x = 54,986,922,373,945,880/270,863,427.13 - Step 6: Final answer
x = 203,006,079.33
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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.