Finding the Fourth Proportional to 219,654,723.35, 303,128,149.09 and 120,534,603.73
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Solution
The fourth proportional to 219,654,723.35, 303,128,149.09 and 120,534,603.73 is: 166,340,294.32
Step by Step Solution
- Step 1: Write the proportion equation
219,654,723.35 : 303,128,149.09 = 120,534,603.73 : x - Step 2: Convert to fraction form
219,654,723.35/303,128,149.09 = 120,534,603.73/x - Step 3: Cross multiply
219,654,723.35x = 303,128,149.09 × 120,534,603.73 - Step 4: Simplify right side
219,654,723.35x = 36,537,431,329,971,512 - Step 5: Solve for x
x = 36,537,431,329,971,512/219,654,723.35 - Step 6: Final answer
x = 166,340,294.32
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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.