Finding the Fourth Proportional to 159,461,497.60, 239,192,246.40 and 136,503,246.40
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Solution
The fourth proportional to 159,461,497.60, 239,192,246.40 and 136,503,246.40 is: 204,754,869.60
Step by Step Solution
- Step 1: Write the proportion equation
159,461,497.60 : 239,192,246.40 = 136,503,246.40 : x - Step 2: Convert to fraction form
159,461,497.60/239,192,246.40 = 136,503,246.40/x - Step 3: Cross multiply
159,461,497.60x = 239,192,246.40 × 136,503,246.40 - Step 4: Simplify right side
159,461,497.60x = 32,650,518,147,308,716 - Step 5: Solve for x
x = 32,650,518,147,308,716/159,461,497.60 - Step 6: Final answer
x = 204,754,869.60
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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.