Finding the Fourth Proportional to 45,445,813.86, 68,170,120.47 and 19,873,660.26
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Solution
The fourth proportional to 45,445,813.86, 68,170,120.47 and 19,873,660.26 is: 29,811,102.48
Step by Step Solution
- Step 1: Write the proportion equation
45,445,813.86 : 68,170,120.47 = 19,873,660.26 : x - Step 2: Convert to fraction form
45,445,813.86/68,170,120.47 = 19,873,660.26/x - Step 3: Cross multiply
45,445,813.86x = 68,170,120.47 × 19,873,660.26 - Step 4: Simplify right side
45,445,813.86x = 1,354,789,814,104,051.50 - Step 5: Solve for x
x = 1,354,789,814,104,051.50/45,445,813.86 - Step 6: Final answer
x = 29,811,102.48
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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.