Finding the Fourth Proportional to 116,560,285.68, 160,874,249.76 and 69,520,374.72
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Solution
The fourth proportional to 116,560,285.68, 160,874,249.76 and 69,520,374.72 is: 95,950,675.32
Step by Step Solution
- Step 1: Write the proportion equation
116,560,285.68 : 160,874,249.76 = 69,520,374.72 : x - Step 2: Convert to fraction form
116,560,285.68/160,874,249.76 = 69,520,374.72/x - Step 3: Cross multiply
116,560,285.68x = 160,874,249.76 × 69,520,374.72 - Step 4: Simplify right side
116,560,285.68x = 11,184,038,126,114,070 - Step 5: Solve for x
x = 11,184,038,126,114,070/116,560,285.68 - Step 6: Final answer
x = 95,950,675.32
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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.