Finding the Fourth Proportional to 53,016,644.86, 73,163,407.07 and 29,811,568.84
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Solution
The fourth proportional to 53,016,644.86, 73,163,407.07 and 29,811,568.84 is: 41,140,210.82
Step by Step Solution
- Step 1: Write the proportion equation
53,016,644.86 : 73,163,407.07 = 29,811,568.84 : x - Step 2: Convert to fraction form
53,016,644.86/73,163,407.07 = 29,811,568.84/x - Step 3: Cross multiply
53,016,644.86x = 73,163,407.07 × 29,811,568.84 - Step 4: Simplify right side
53,016,644.86x = 2,181,115,946,436,247.50 - Step 5: Solve for x
x = 2,181,115,946,436,247.50/53,016,644.86 - Step 6: Final answer
x = 41,140,210.82
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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.