Finding the Fourth Proportional to 219,675,354.84, 303,131,954.34 and 130,351,908.24
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Solution
The fourth proportional to 219,675,354.84, 303,131,954.34 and 130,351,908.24 is: 179,873,744.72
Step by Step Solution
- Step 1: Write the proportion equation
219,675,354.84 : 303,131,954.34 = 130,351,908.24 : x - Step 2: Convert to fraction form
219,675,354.84/303,131,954.34 = 130,351,908.24/x - Step 3: Cross multiply
219,675,354.84x = 303,131,954.34 × 130,351,908.24 - Step 4: Simplify right side
219,675,354.84x = 39,513,828,696,739,544 - Step 5: Solve for x
x = 39,513,828,696,739,544/219,675,354.84 - Step 6: Final answer
x = 179,873,744.72
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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.