Finding the Fourth Proportional to 219,350,105.58, 329,434,948.17 and 193,098,248.76
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Solution
The fourth proportional to 219,350,105.58, 329,434,948.17 and 193,098,248.76 is: 290,008,119.23
Step by Step Solution
- Step 1: Write the proportion equation
219,350,105.58 : 329,434,948.17 = 193,098,248.76 : x - Step 2: Convert to fraction form
219,350,105.58/329,434,948.17 = 193,098,248.76/x - Step 3: Cross multiply
219,350,105.58x = 329,434,948.17 × 193,098,248.76 - Step 4: Simplify right side
219,350,105.58x = 63,613,311,571,968,368 - Step 5: Solve for x
x = 63,613,311,571,968,368/219,350,105.58 - Step 6: Final answer
x = 290,008,119.23
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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.