Finding the Fourth Proportional to 226,332,646.36, 312,341,828.87 and 137,023,377.37
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Solution
The fourth proportional to 226,332,646.36, 312,341,828.87 and 137,023,377.37 is: 189,093,941.92
Step by Step Solution
- Step 1: Write the proportion equation
226,332,646.36 : 312,341,828.87 = 137,023,377.37 : x - Step 2: Convert to fraction form
226,332,646.36/312,341,828.87 = 137,023,377.37/x - Step 3: Cross multiply
226,332,646.36x = 312,341,828.87 × 137,023,377.37 - Step 4: Simplify right side
226,332,646.36x = 42,798,132,285,689,976 - Step 5: Solve for x
x = 42,798,132,285,689,976/226,332,646.36 - Step 6: Final answer
x = 189,093,941.92
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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.