Finding the Fourth Proportional to 218,040,588.20, 326,893,246.58 and 112,883,202.38
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Solution
The fourth proportional to 218,040,588.20, 326,893,246.58 and 112,883,202.38 is: 169,238,015.80
Step by Step Solution
- Step 1: Write the proportion equation
218,040,588.20 : 326,893,246.58 = 112,883,202.38 : x - Step 2: Convert to fraction form
218,040,588.20/326,893,246.58 = 112,883,202.38/x - Step 3: Cross multiply
218,040,588.20x = 326,893,246.58 × 112,883,202.38 - Step 4: Simplify right side
218,040,588.20x = 36,900,756,510,345,376 - Step 5: Solve for x
x = 36,900,756,510,345,376/218,040,588.20 - Step 6: Final answer
x = 169,238,015.80
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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.