Finding the Fourth Proportional to 96,775,336.80, 145,163,005.20 and 42,922,648.80
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Solution
The fourth proportional to 96,775,336.80, 145,163,005.20 and 42,922,648.80 is: 64,383,973.20
Step by Step Solution
- Step 1: Write the proportion equation
96,775,336.80 : 145,163,005.20 = 42,922,648.80 : x - Step 2: Convert to fraction form
96,775,336.80/145,163,005.20 = 42,922,648.80/x - Step 3: Cross multiply
96,775,336.80x = 145,163,005.20 × 42,922,648.80 - Step 4: Simplify right side
96,775,336.80x = 6,230,780,690,952,173 - Step 5: Solve for x
x = 6,230,780,690,952,173/96,775,336.80 - Step 6: Final answer
x = 64,383,973.20
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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.