Finding the Fourth Proportional to 190,174,485.08, 262,447,277.06 and 106,546,141.96
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Solution
The fourth proportional to 190,174,485.08, 262,447,277.06 and 106,546,141.96 is: 147,037,310.64
Step by Step Solution
- Step 1: Write the proportion equation
190,174,485.08 : 262,447,277.06 = 106,546,141.96 : x - Step 2: Convert to fraction form
190,174,485.08/262,447,277.06 = 106,546,141.96/x - Step 3: Cross multiply
190,174,485.08x = 262,447,277.06 × 106,546,141.96 - Step 4: Simplify right side
190,174,485.08x = 27,962,744,838,650,208 - Step 5: Solve for x
x = 27,962,744,838,650,208/190,174,485.08 - Step 6: Final answer
x = 147,037,310.64
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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.