Finding the Fourth Proportional to 146,295,578.22, 201,880,140.39 and 83,559,355.98
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Solution
The fourth proportional to 146,295,578.22, 201,880,140.39 and 83,559,355.98 is: 115,307,480.39
Step by Step Solution
- Step 1: Write the proportion equation
146,295,578.22 : 201,880,140.39 = 83,559,355.98 : x - Step 2: Convert to fraction form
146,295,578.22/201,880,140.39 = 83,559,355.98/x - Step 3: Cross multiply
146,295,578.22x = 201,880,140.39 × 83,559,355.98 - Step 4: Simplify right side
146,295,578.22x = 16,868,974,516,140,386 - Step 5: Solve for x
x = 16,868,974,516,140,386/146,295,578.22 - Step 6: Final answer
x = 115,307,480.39
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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.