Finding the Fourth Proportional to 80,852,810.70, 121,279,216.05 and 23,346,957.90
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Solution
The fourth proportional to 80,852,810.70, 121,279,216.05 and 23,346,957.90 is: 35,020,436.85
Step by Step Solution
- Step 1: Write the proportion equation
80,852,810.70 : 121,279,216.05 = 23,346,957.90 : x - Step 2: Convert to fraction form
80,852,810.70/121,279,216.05 = 23,346,957.90/x - Step 3: Cross multiply
80,852,810.70x = 121,279,216.05 × 23,346,957.90 - Step 4: Simplify right side
80,852,810.70x = 2,831,500,751,264,354 - Step 5: Solve for x
x = 2,831,500,751,264,354/80,852,810.70 - Step 6: Final answer
x = 35,020,436.85
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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.