Finding the Fourth Proportional to 48,701,696.66, 67,189,642.45 and 27,794,890.94
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Solution
The fourth proportional to 48,701,696.66, 67,189,642.45 and 27,794,890.94 is: 38,346,277.70
Step by Step Solution
- Step 1: Write the proportion equation
48,701,696.66 : 67,189,642.45 = 27,794,890.94 : x - Step 2: Convert to fraction form
48,701,696.66/67,189,642.45 = 27,794,890.94/x - Step 3: Cross multiply
48,701,696.66x = 67,189,642.45 × 27,794,890.94 - Step 4: Simplify right side
48,701,696.66x = 1,867,528,784,293,831.25 - Step 5: Solve for x
x = 1,867,528,784,293,831.25/48,701,696.66 - Step 6: Final answer
x = 38,346,277.70
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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.