Finding the Fourth Proportional to 145,934,497.95, 201,380,745.85 and 83,201,824.50
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Solution
The fourth proportional to 145,934,497.95, 201,380,745.85 and 83,201,824.50 is: 114,813,465.69
Step by Step Solution
- Step 1: Write the proportion equation
145,934,497.95 : 201,380,745.85 = 83,201,824.50 : x - Step 2: Convert to fraction form
145,934,497.95/201,380,745.85 = 83,201,824.50/x - Step 3: Cross multiply
145,934,497.95x = 201,380,745.85 × 83,201,824.50 - Step 4: Simplify right side
145,934,497.95x = 16,755,245,473,890,802 - Step 5: Solve for x
x = 16,755,245,473,890,802/145,934,497.95 - Step 6: Final answer
x = 114,813,465.69
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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.