Finding the Fourth Proportional to 342,026,399.03, 471,983,785.66 and 185,390,142.99
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Solution
The fourth proportional to 342,026,399.03, 471,983,785.66 and 185,390,142.99 is: 255,831,543.30
Step by Step Solution
- Step 1: Write the proportion equation
342,026,399.03 : 471,983,785.66 = 185,390,142.99 : x - Step 2: Convert to fraction form
342,026,399.03/471,983,785.66 = 185,390,142.99/x - Step 3: Cross multiply
342,026,399.03x = 471,983,785.66 × 185,390,142.99 - Step 4: Simplify right side
342,026,399.03x = 87,501,141,511,541,968 - Step 5: Solve for x
x = 87,501,141,511,541,968/342,026,399.03 - Step 6: Final answer
x = 255,831,543.30
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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.