Finding the Fourth Proportional to 172,626,836.40, 258,940,402.02 and 48,124,529.28
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Solution
The fourth proportional to 172,626,836.40, 258,940,402.02 and 48,124,529.28 is: 72,186,835.02
Step by Step Solution
- Step 1: Write the proportion equation
172,626,836.40 : 258,940,402.02 = 48,124,529.28 : x - Step 2: Convert to fraction form
172,626,836.40/258,940,402.02 = 48,124,529.28/x - Step 3: Cross multiply
172,626,836.40x = 258,940,402.02 × 48,124,529.28 - Step 4: Simplify right side
172,626,836.40x = 12,461,384,958,786,462 - Step 5: Solve for x
x = 12,461,384,958,786,462/172,626,836.40 - Step 6: Final answer
x = 72,186,835.02
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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.