Finding the Fourth Proportional to 71,860,048.10, 107,790,927.51 and 20,041,497.98
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Solution
The fourth proportional to 71,860,048.10, 107,790,927.51 and 20,041,497.98 is: 30,062,485.53
Step by Step Solution
- Step 1: Write the proportion equation
71,860,048.10 : 107,790,927.51 = 20,041,497.98 : x - Step 2: Convert to fraction form
71,860,048.10/107,790,927.51 = 20,041,497.98/x - Step 3: Cross multiply
71,860,048.10x = 107,790,927.51 × 20,041,497.98 - Step 4: Simplify right side
71,860,048.10x = 2,160,291,655,853,784 - Step 5: Solve for x
x = 2,160,291,655,853,784/71,860,048.10 - Step 6: Final answer
x = 30,062,485.53
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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.