Finding the Fourth Proportional to 139,148,195.04, 208,714,616.16 and 57,246,346.32
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Solution
The fourth proportional to 139,148,195.04, 208,714,616.16 and 57,246,346.32 is: 85,866,361.37
Step by Step Solution
- Step 1: Write the proportion equation
139,148,195.04 : 208,714,616.16 = 57,246,346.32 : x - Step 2: Convert to fraction form
139,148,195.04/208,714,616.16 = 57,246,346.32/x - Step 3: Cross multiply
139,148,195.04x = 208,714,616.16 × 57,246,346.32 - Step 4: Simplify right side
139,148,195.04x = 11,948,149,198,741,228 - Step 5: Solve for x
x = 11,948,149,198,741,228/139,148,195.04 - Step 6: Final answer
x = 85,866,361.37
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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.