Finding the Fourth Proportional to 61,101,220.80, 91,651,831.20 and 53,209,321.95
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Solution
The fourth proportional to 61,101,220.80, 91,651,831.20 and 53,209,321.95 is: 79,813,982.93
Step by Step Solution
- Step 1: Write the proportion equation
61,101,220.80 : 91,651,831.20 = 53,209,321.95 : x - Step 2: Convert to fraction form
61,101,220.80/91,651,831.20 = 53,209,321.95/x - Step 3: Cross multiply
61,101,220.80x = 91,651,831.20 × 53,209,321.95 - Step 4: Simplify right side
61,101,220.80x = 4,876,731,793,627,855 - Step 5: Solve for x
x = 4,876,731,793,627,855/61,101,220.80 - Step 6: Final answer
x = 79,813,982.93
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.