Finding the Fourth Proportional to 184,292,139.99, 254,321,478.87 and 100,660,253.21
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Solution
The fourth proportional to 184,292,139.99, 254,321,478.87 and 100,660,253.21 is: 138,910,234.91
Step by Step Solution
- Step 1: Write the proportion equation
184,292,139.99 : 254,321,478.87 = 100,660,253.21 : x - Step 2: Convert to fraction form
184,292,139.99/254,321,478.87 = 100,660,253.21/x - Step 3: Cross multiply
184,292,139.99x = 254,321,478.87 × 100,660,253.21 - Step 4: Simplify right side
184,292,139.99x = 25,600,064,458,524,256 - Step 5: Solve for x
x = 25,600,064,458,524,256/184,292,139.99 - Step 6: Final answer
x = 138,910,234.91
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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.