Finding the Fourth Proportional to 255,607,885.31, 352,754,689.34 and 141,034,711.99
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Solution
The fourth proportional to 255,607,885.31, 352,754,689.34 and 141,034,711.99 is: 194,636,624.58
Step by Step Solution
- Step 1: Write the proportion equation
255,607,885.31 : 352,754,689.34 = 141,034,711.99 : x - Step 2: Convert to fraction form
255,607,885.31/352,754,689.34 = 141,034,711.99/x - Step 3: Cross multiply
255,607,885.31x = 352,754,689.34 × 141,034,711.99 - Step 4: Simplify right side
255,607,885.31x = 49,750,656,012,425,048 - Step 5: Solve for x
x = 49,750,656,012,425,048/255,607,885.31 - Step 6: Final answer
x = 194,636,624.58
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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.