Finding the Fourth Proportional to 99,391,336.10, 136,855,846.58 and 99,104,357.96
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Solution
The fourth proportional to 99,391,336.10, 136,855,846.58 and 99,104,357.96 is: 136,460,695.07
Step by Step Solution
- Step 1: Write the proportion equation
99,391,336.10 : 136,855,846.58 = 99,104,357.96 : x - Step 2: Convert to fraction form
99,391,336.10/136,855,846.58 = 99,104,357.96/x - Step 3: Cross multiply
99,391,336.10x = 136,855,846.58 × 99,104,357.96 - Step 4: Simplify right side
99,391,336.10x = 13,563,010,807,203,360 - Step 5: Solve for x
x = 13,563,010,807,203,360/99,391,336.10 - Step 6: Final answer
x = 136,460,695.07
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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.