Finding the Fourth Proportional to 225,083,627.19, 310,608,734.40 and 124,616,542.14
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Solution
The fourth proportional to 225,083,627.19, 310,608,734.40 and 124,616,542.14 is: 171,967,134.72
Step by Step Solution
- Step 1: Write the proportion equation
225,083,627.19 : 310,608,734.40 = 124,616,542.14 : x - Step 2: Convert to fraction form
225,083,627.19/310,608,734.40 = 124,616,542.14/x - Step 3: Cross multiply
225,083,627.19x = 310,608,734.40 × 124,616,542.14 - Step 4: Simplify right side
225,083,627.19x = 38,706,986,439,409,664 - Step 5: Solve for x
x = 38,706,986,439,409,664/225,083,627.19 - Step 6: Final answer
x = 171,967,134.72
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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.