Finding the Fourth Proportional to 89,677,206.60, 134,515,809.90 and 57,365,593.80
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Solution
The fourth proportional to 89,677,206.60, 134,515,809.90 and 57,365,593.80 is: 86,048,390.70
Step by Step Solution
- Step 1: Write the proportion equation
89,677,206.60 : 134,515,809.90 = 57,365,593.80 : x - Step 2: Convert to fraction form
89,677,206.60/134,515,809.90 = 57,365,593.80/x - Step 3: Cross multiply
89,677,206.60x = 134,515,809.90 × 57,365,593.80 - Step 4: Simplify right side
89,677,206.60x = 7,716,579,310,401,419 - Step 5: Solve for x
x = 7,716,579,310,401,419/89,677,206.60 - Step 6: Final answer
x = 86,048,390.70
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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.