Finding the Fourth Proportional to 77,003,714.02, 115,427,847.76 and 48,270,027.75
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Solution
The fourth proportional to 77,003,714.02, 115,427,847.76 and 48,270,027.75 is: 72,356,320.54
Step by Step Solution
- Step 1: Write the proportion equation
77,003,714.02 : 115,427,847.76 = 48,270,027.75 : x - Step 2: Convert to fraction form
77,003,714.02/115,427,847.76 = 48,270,027.75/x - Step 3: Cross multiply
77,003,714.02x = 115,427,847.76 × 48,270,027.75 - Step 4: Simplify right side
77,003,714.02x = 5,571,705,414,497,976 - Step 5: Solve for x
x = 5,571,705,414,497,976/77,003,714.02 - Step 6: Final answer
x = 72,356,320.54
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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.