Finding the Fourth Proportional to 107,673,811.82, 148,589,104.42 and 58,781,239.82
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Solution
The fourth proportional to 107,673,811.82, 148,589,104.42 and 58,781,239.82 is: 81,117,698.30
Step by Step Solution
- Step 1: Write the proportion equation
107,673,811.82 : 148,589,104.42 = 58,781,239.82 : x - Step 2: Convert to fraction form
107,673,811.82/148,589,104.42 = 58,781,239.82/x - Step 3: Cross multiply
107,673,811.82x = 148,589,104.42 × 58,781,239.82 - Step 4: Simplify right side
107,673,811.82x = 8,734,251,781,551,041 - Step 5: Solve for x
x = 8,734,251,781,551,041/107,673,811.82 - Step 6: Final answer
x = 81,117,698.30
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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.