Finding the Fourth Proportional to 107,553,503.80, 161,330,255.70 and 88,657,823.80
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Solution
The fourth proportional to 107,553,503.80, 161,330,255.70 and 88,657,823.80 is: 132,986,735.70
Step by Step Solution
- Step 1: Write the proportion equation
107,553,503.80 : 161,330,255.70 = 88,657,823.80 : x - Step 2: Convert to fraction form
107,553,503.80/161,330,255.70 = 88,657,823.80/x - Step 3: Cross multiply
107,553,503.80x = 161,330,255.70 × 88,657,823.80 - Step 4: Simplify right side
107,553,503.80x = 14,303,189,383,459,544 - Step 5: Solve for x
x = 14,303,189,383,459,544/107,553,503.80 - Step 6: Final answer
x = 132,986,735.70
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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.