Finding the Fourth Proportional to 112,331,427.30, 168,497,140.95 and 99,576,843.30
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Solution
The fourth proportional to 112,331,427.30, 168,497,140.95 and 99,576,843.30 is: 149,365,264.95
Step by Step Solution
- Step 1: Write the proportion equation
112,331,427.30 : 168,497,140.95 = 99,576,843.30 : x - Step 2: Convert to fraction form
112,331,427.30/168,497,140.95 = 99,576,843.30/x - Step 3: Cross multiply
112,331,427.30x = 168,497,140.95 × 99,576,843.30 - Step 4: Simplify right side
112,331,427.30x = 16,778,413,400,876,162 - Step 5: Solve for x
x = 16,778,413,400,876,162/112,331,427.30 - Step 6: Final answer
x = 149,365,264.95
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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.