Finding the Fourth Proportional to 219,858,672.24, 303,442,288.08 and 127,092,955.68
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Solution
The fourth proportional to 219,858,672.24, 303,442,288.08 and 127,092,955.68 is: 175,409,852.51
Step by Step Solution
- Step 1: Write the proportion equation
219,858,672.24 : 303,442,288.08 = 127,092,955.68 : x - Step 2: Convert to fraction form
219,858,672.24/303,442,288.08 = 127,092,955.68/x - Step 3: Cross multiply
219,858,672.24x = 303,442,288.08 × 127,092,955.68 - Step 4: Simplify right side
219,858,672.24x = 38,565,377,270,389,232 - Step 5: Solve for x
x = 38,565,377,270,389,232/219,858,672.24 - Step 6: Final answer
x = 175,409,852.51
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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.