Finding the Fourth Proportional to 188,817,886.97, 283,257,097.41 and 79,659,136.94
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Solution
The fourth proportional to 188,817,886.97, 283,257,097.41 and 79,659,136.94 is: 119,501,474.54
Step by Step Solution
- Step 1: Write the proportion equation
188,817,886.97 : 283,257,097.41 = 79,659,136.94 : x - Step 2: Convert to fraction form
188,817,886.97/283,257,097.41 = 79,659,136.94/x - Step 3: Cross multiply
188,817,886.97x = 283,257,097.41 × 79,659,136.94 - Step 4: Simplify right side
188,817,886.97x = 22,564,015,911,810,112 - Step 5: Solve for x
x = 22,564,015,911,810,112/188,817,886.97 - Step 6: Final answer
x = 119,501,474.54
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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.