Finding the Fourth Proportional to 80,775,971.97, 121,121,442.68 and 55,224,288.69
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Solution
The fourth proportional to 80,775,971.97, 121,121,442.68 and 55,224,288.69 is: 82,807,366.52
Step by Step Solution
- Step 1: Write the proportion equation
80,775,971.97 : 121,121,442.68 = 55,224,288.69 : x - Step 2: Convert to fraction form
80,775,971.97/121,121,442.68 = 55,224,288.69/x - Step 3: Cross multiply
80,775,971.97x = 121,121,442.68 × 55,224,288.69 - Step 4: Simplify right side
80,775,971.97x = 6,688,845,516,833,485 - Step 5: Solve for x
x = 6,688,845,516,833,485/80,775,971.97 - Step 6: Final answer
x = 82,807,366.52
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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.