Finding the Fourth Proportional to 68,517,309.84, 94,559,867.27 and 37,583,457.81
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Solution
The fourth proportional to 68,517,309.84, 94,559,867.27 and 37,583,457.81 is: 51,868,451.79
Step by Step Solution
- Step 1: Write the proportion equation
68,517,309.84 : 94,559,867.27 = 37,583,457.81 : x - Step 2: Convert to fraction form
68,517,309.84/94,559,867.27 = 37,583,457.81/x - Step 3: Cross multiply
68,517,309.84x = 94,559,867.27 × 37,583,457.81 - Step 4: Simplify right side
68,517,309.84x = 3,553,886,782,061,245 - Step 5: Solve for x
x = 3,553,886,782,061,245/68,517,309.84 - Step 6: Final answer
x = 51,868,451.79
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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.