Finding the Fourth Proportional to 265,220,859.30, 397,831,288.95 and 83,468,037.30
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Solution
The fourth proportional to 265,220,859.30, 397,831,288.95 and 83,468,037.30 is: 125,202,055.95
Step by Step Solution
- Step 1: Write the proportion equation
265,220,859.30 : 397,831,288.95 = 83,468,037.30 : x - Step 2: Convert to fraction form
265,220,859.30/397,831,288.95 = 83,468,037.30/x - Step 3: Cross multiply
265,220,859.30x = 397,831,288.95 × 83,468,037.30 - Step 4: Simplify right side
265,220,859.30x = 33,206,196,865,185,676 - Step 5: Solve for x
x = 33,206,196,865,185,676/265,220,859.30 - Step 6: Final answer
x = 125,202,055.95
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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.