Finding the Fourth Proportional to 143,625,847.26, 215,757,635.49 and 89,078,743.02
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Solution
The fourth proportional to 143,625,847.26, 215,757,635.49 and 89,078,743.02 is: 133,815,878.78
Step by Step Solution
- Step 1: Write the proportion equation
143,625,847.26 : 215,757,635.49 = 89,078,743.02 : x - Step 2: Convert to fraction form
143,625,847.26/215,757,635.49 = 89,078,743.02/x - Step 3: Cross multiply
143,625,847.26x = 215,757,635.49 × 89,078,743.02 - Step 4: Simplify right side
143,625,847.26x = 19,219,418,966,416,540 - Step 5: Solve for x
x = 19,219,418,966,416,540/143,625,847.26 - Step 6: Final answer
x = 133,815,878.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.