Finding the Fourth Proportional to 193,101,800.74, 266,478,632.60 and 104,995,816.56
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Solution
The fourth proportional to 193,101,800.74, 266,478,632.60 and 104,995,816.56 is: 144,893,219.63
Step by Step Solution
- Step 1: Write the proportion equation
193,101,800.74 : 266,478,632.60 = 104,995,816.56 : x - Step 2: Convert to fraction form
193,101,800.74/266,478,632.60 = 104,995,816.56/x - Step 3: Cross multiply
193,101,800.74x = 266,478,632.60 × 104,995,816.56 - Step 4: Simplify right side
193,101,800.74x = 27,979,141,625,104,256 - Step 5: Solve for x
x = 27,979,141,625,104,256/193,101,800.74 - Step 6: Final answer
x = 144,893,219.63
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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.