Finding the Fourth Proportional to 147,191,879.90, 203,126,137.62 and 81,114,749.00
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Solution
The fourth proportional to 147,191,879.90, 203,126,137.62 and 81,114,749.00 is: 111,939,093.92
Step by Step Solution
- Step 1: Write the proportion equation
147,191,879.90 : 203,126,137.62 = 81,114,749.00 : x - Step 2: Convert to fraction form
147,191,879.90/203,126,137.62 = 81,114,749.00/x - Step 3: Cross multiply
147,191,879.90x = 203,126,137.62 × 81,114,749.00 - Step 4: Simplify right side
147,191,879.90x = 16,476,525,667,167,342 - Step 5: Solve for x
x = 16,476,525,667,167,342/147,191,879.90 - Step 6: Final answer
x = 111,939,093.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.