Finding the Fourth Proportional to 132,921,203.76, 183,455,271 and 79,279,306.92
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Solution
The fourth proportional to 132,921,203.76, 183,455,271 and 79,279,306.92 is: 109,419,763.92
Step by Step Solution
- Step 1: Write the proportion equation
132,921,203.76 : 183,455,271 = 79,279,306.92 : x - Step 2: Convert to fraction form
132,921,203.76/183,455,271 = 79,279,306.92/x - Step 3: Cross multiply
132,921,203.76x = 183,455,271 × 79,279,306.92 - Step 4: Simplify right side
132,921,203.76x = 14,544,206,735,700,776 - Step 5: Solve for x
x = 14,544,206,735,700,776/132,921,203.76 - Step 6: Final answer
x = 109,419,763.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.