Finding the Fourth Proportional to 237,603,879.18, 327,887,500.68 and 131,756,709.60
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Solution
The fourth proportional to 237,603,879.18, 327,887,500.68 and 131,756,709.60 is: 181,821,013.86
Step by Step Solution
- Step 1: Write the proportion equation
237,603,879.18 : 327,887,500.68 = 131,756,709.60 : x - Step 2: Convert to fraction form
237,603,879.18/327,887,500.68 = 131,756,709.60/x - Step 3: Cross multiply
237,603,879.18x = 327,887,500.68 × 131,756,709.60 - Step 4: Simplify right side
237,603,879.18x = 43,201,378,208,564,560 - Step 5: Solve for x
x = 43,201,378,208,564,560/237,603,879.18 - Step 6: Final answer
x = 181,821,013.86
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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.