Finding the Fourth Proportional to 84,716,944.40, 127,075,416.60 and 58,888,911.80
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Solution
The fourth proportional to 84,716,944.40, 127,075,416.60 and 58,888,911.80 is: 88,333,367.70
Step by Step Solution
- Step 1: Write the proportion equation
84,716,944.40 : 127,075,416.60 = 58,888,911.80 : x - Step 2: Convert to fraction form
84,716,944.40/127,075,416.60 = 58,888,911.80/x - Step 3: Cross multiply
84,716,944.40x = 127,075,416.60 × 58,888,911.80 - Step 4: Simplify right side
84,716,944.40x = 7,483,333,000,105,655 - Step 5: Solve for x
x = 7,483,333,000,105,655/84,716,944.40 - Step 6: Final answer
x = 88,333,367.70
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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.