Finding the Fourth Proportional to 69,956,686.72, 104,948,479.97 and 26,822,525.82
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Solution
The fourth proportional to 69,956,686.72, 104,948,479.97 and 26,822,525.82 is: 40,238,945.64
Step by Step Solution
- Step 1: Write the proportion equation
69,956,686.72 : 104,948,479.97 = 26,822,525.82 : x - Step 2: Convert to fraction form
69,956,686.72/104,948,479.97 = 26,822,525.82/x - Step 3: Cross multiply
69,956,686.72x = 104,948,479.97 × 26,822,525.82 - Step 4: Simplify right side
69,956,686.72x = 2,814,983,313,765,078 - Step 5: Solve for x
x = 2,814,983,313,765,078/69,956,686.72 - Step 6: Final answer
x = 40,238,945.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.