Finding the Fourth Proportional to 62,769,581.84, 86,629,280.28 and 36,670,623.68
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Solution
The fourth proportional to 62,769,581.84, 86,629,280.28 and 36,670,623.68 is: 50,609,700.49
Step by Step Solution
- Step 1: Write the proportion equation
62,769,581.84 : 86,629,280.28 = 36,670,623.68 : x - Step 2: Convert to fraction form
62,769,581.84/86,629,280.28 = 36,670,623.68/x - Step 3: Cross multiply
62,769,581.84x = 86,629,280.28 × 36,670,623.68 - Step 4: Simplify right side
62,769,581.84x = 3,176,749,736,817,125 - Step 5: Solve for x
x = 3,176,749,736,817,125/62,769,581.84 - Step 6: Final answer
x = 50,609,700.49
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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.