Finding the Fourth Proportional to 132,438,490.98, 198,524,192.18 and 83,289,468.74
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Solution
The fourth proportional to 132,438,490.98, 198,524,192.18 and 83,289,468.74 is: 124,850,218.20
Step by Step Solution
- Step 1: Write the proportion equation
132,438,490.98 : 198,524,192.18 = 83,289,468.74 : x - Step 2: Convert to fraction form
132,438,490.98/198,524,192.18 = 83,289,468.74/x - Step 3: Cross multiply
132,438,490.98x = 198,524,192.18 × 83,289,468.74 - Step 4: Simplify right side
132,438,490.98x = 16,534,974,497,300,796 - Step 5: Solve for x
x = 16,534,974,497,300,796/132,438,490.98 - Step 6: Final answer
x = 124,850,218.20
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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.