Finding the Fourth Proportional to 96,960,340.80, 145,440,511.20 and 60,680,635.20
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Solution
The fourth proportional to 96,960,340.80, 145,440,511.20 and 60,680,635.20 is: 91,020,952.80
Step by Step Solution
- Step 1: Write the proportion equation
96,960,340.80 : 145,440,511.20 = 60,680,635.20 : x - Step 2: Convert to fraction form
96,960,340.80/145,440,511.20 = 60,680,635.20/x - Step 3: Cross multiply
96,960,340.80x = 145,440,511.20 × 60,680,635.20 - Step 4: Simplify right side
96,960,340.80x = 8,825,422,603,428,714 - Step 5: Solve for x
x = 8,825,422,603,428,714/96,960,340.80 - Step 6: Final answer
x = 91,020,952.80
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1.5x scale
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.