Finding the Fourth Proportional to 99,107,292.24, 136,789,922.88 and 55,069,422.84
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Solution
The fourth proportional to 99,107,292.24, 136,789,922.88 and 55,069,422.84 is: 76,007,949.90
Step by Step Solution
- Step 1: Write the proportion equation
99,107,292.24 : 136,789,922.88 = 55,069,422.84 : x - Step 2: Convert to fraction form
99,107,292.24/136,789,922.88 = 55,069,422.84/x - Step 3: Cross multiply
99,107,292.24x = 136,789,922.88 × 55,069,422.84 - Step 4: Simplify right side
99,107,292.24x = 7,532,942,103,329,711 - Step 5: Solve for x
x = 7,532,942,103,329,711/99,107,292.24 - Step 6: Final answer
x = 76,007,949.90
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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.